The “Surgery for Abdomino-thoracic ViolencE (SAVE)” animate lab engages surgical residents within the administration of advanced penetrating accidents. We hypothesized that residents will enhance their understanding of the administration of trauma sufferers and will carry out expertise that they haven’t beforehand carried out in coaching.Pre- and submitlab assessments have been reviewed from surgical residents taking part within the SAVE lab over 2 years (2017-2018). Residents of various ranges have been grouped and reviewed “actual-life” trauma situations with supplemental imaging. Seniors have been tasked with creating accidents whereas juniors carried out as main surgeons beneath supervision.
Each successive situation elevated in issue, from hole viscus damage and strong organ disruption, to nice vessel and cardiac accidents with the objective to “SAVE” the affected person. Assessments included a pre- and submitlab a number of-selection questionnaire of trauma administration information and a survey of accomplished technical expertise.Academic General Surgery residency program.General, Vascular, Urology, and Plastic Surgery PGY1 to PGY5 residents.One hundred and nineteen residents participated within the SAVE lab in 2017 and 2018. PGY1 to PGY4 residents confirmed important enchancment in information of trauma administration on matched pre- and submitlab assessments.
The most vital enchancment was seen within the PGY1 and PGY2 residents, with scores growing by 21% (p < 0.001) and 13% (p < 0.001), respectively. PGY1-three residents had a major enhance in new technical expertise acquisition. PGY5 residents confirmed no important adjustments in both realm.The SAVE lab was efficient in growing junior surgical residents’ technical expertise in addition to fund of information associated to advanced trauma care. While seniors had beforehand carried out most of those expertise as mirrored of their assessments, the SAVE lab supplied a means for them to imagine the function of workforce chief, guiding administration of advanced, and excessive acuity conditions. Future endeavors embody teamwork and management expertise’ evaluation by the SAVE lab.
The postdoctoral group is a vital part of the tutorial and scientific workforce, however an absence of information about this group has made it tough to develop insurance policies to deal with issues about salaries, working situations, range and profession improvement, and to guage the influence of current insurance policies. Here we current complete survey outcomes from 7,603 postdocs based mostly at 351 US tutorial and non-tutorial (e.g. hospital, trade and authorities lab) establishments in 2016. In addition to demographic and wage data, we current multivariate analyses on components influencing postdoc profession plans and satisfaction with mentorship. We additional analyze gender dynamics and expose wage disparities.
Academic analysis positions stay the predominant profession selection, though girls and US residents are much less seemingly than their male and non-US citizen counterparts to decide on tutorial analysis positions. Receiving mentorship coaching has a major constructive impact on postdoc satisfaction with mentorship. Quality of and satisfaction with postdoc mentorship additionally seem to closely affect profession selection. A complete of 62 basic surgical procedure residents accomplished the Omni and 39 (67.2%) of these residents accomplished the evaluation in 2 consecutive years.
PDX Finder: A portal for affected person-derived tumor xenograft mannequin discovery.
Patient-derived tumor xenograft (PDX) mouse fashions are a flexible oncology analysis platform for finding out tumor biology and for testing chemotherapeutic approaches tailor-made to genomic traits of particular person sufferers’ tumors. PDX fashions are generated and distributed by a various group of tutorial labs, multi-establishment consortia and contract analysis organizations. The distributed nature of PDX repositories and using totally different metadata requirements for describing mannequin traits presents a major problem to figuring out PDX fashions related to particular most cancers analysis questions.
The Jackson Laboratory and EMBL-EBI are addressing these challenges by co-growing PDX Finder, a complete open world catalog of PDX fashions and their related datasets. Within PDX Finder, mannequin attributes are harmonized and built-in utilizing a beforehand developed group minimal data commonplace to assist constant looking throughout the originating sources. Links to repositories are supplied from the PDX Finder search outcomes to facilitate mannequin acquisition and/or collaboration. The PDX Finder useful resource at present accommodates data for 1985 PDX fashions of numerous cancers together with these from massive sources such because the Patient-Derived Models Repository, PDXNet and EurOPDX. Individuals or organizations that generate and distribute PDXs are invited to extend the ‘findability’ of their fashions by taking part within the PDX Finder .

Validation of the Omni: A Novel, Multimodality, and Longitudinal Surgical Skills Assessment.
The breadth of technical expertise included usually surgical procedure coaching continues to develop. The present competency-based mostly coaching mannequin requires evaluation instruments to measure acquisition, studying, and mastery of technical talent longitudinally in a dependable and legitimate method. This examine describes a novel expertise evaluation software, the Omni, which evaluates efficiency in a broad vary of expertise over time.The 5 Omni duties, consisting of open bowel anastomosis, knot tying, laparoscopic clover sample reduce, robotic needle drive, and endoscopic bubble pop, have been developed by basic surgical procedure school.
Epizen DNA Methylation-Direct Kit |
Z4001-050 |
GenDepot |
50 Rxns |
EUR 428 |
Epizen DNA Methylation-Direct Kit |
Z4001-200 |
GenDepot |
4x50 rxns |
EUR 1036 |
Epizen DNA Methylation-Gold Kit |
Z4101-050 |
GenDepot |
50 Rxns |
EUR 361 |
Epizen DNA Methylation-Gold Kit |
Z4101-200 |
GenDepot |
4x50 rxns |
EUR 901 |
EpiArt DNA Methylation Bisulfite Kit |
EM101-01 |
Vazyme |
50 rxn |
EUR 241 |
EpiArt DNA Methylation Bisulfite Kit |
EM101-02 |
Vazyme |
200 rxn |
EUR 609 |
EpiArt DNA Methylation Library Kit |
NE101-01 |
Vazyme |
24 rxn |
EUR 889 |
EpiArt DNA Methylation Library Kit |
NE101-02 |
Vazyme |
96 rxn |
EUR 2928 |
Zebularine (DNA methylation inhibitor) |
SIH-560-25MG |
Stressmarq |
25 mg |
EUR 311 |
Description: The substance Zebularine is a dna methylation inhibitor. It is synthetically produced and has a purity of >98%. The pure substance is white powder which is May be dissolved in DMSO (20 mg/ml); or water (20 mg/ml). |
Zebularine (DNA methylation inhibitor) |
SIH-560-5MG |
Stressmarq |
5 mg |
EUR 126 |
Description: The substance Zebularine is a dna methylation inhibitor. It is synthetically produced and has a purity of >98%. The pure substance is white powder which is May be dissolved in DMSO (20 mg/ml); or water (20 mg/ml). |
DNA methylation inhibitor, Dichlone |
2860-1000 |
Biovision |
|
EUR 142 |
DNA methylation inhibitor, Dichlone |
2860-500 |
Biovision |
|
EUR 109 |
DNA Methylation/Hydroxymethylation Standard Set |
P-1025 |
EpiGentek |
2 µg/standard x 3 |
EUR 570.55 |
Description: reagents widely cited |
Methylamp Global DNA Methylation Quantification Ultra Kit |
P-1014B |
EpiGentek |
96 Assays |
EUR 947.55 |
Description: reagents widely cited |
Methyflash m6A DNA Methylation ELISA Kit (Colorimetric) |
P-9010 |
EpiGentek |
96 Assays |
EUR 788.05 |
Description: The best epigenetics products |
DNA Methylation Antibody Panel Pack I |
C20000 |
EpiGentek |
|
EUR 382.05 |
Description: Ask the seller for details |
100 BP DNA LADDER, 500UL PER KIT |
M-DNA-100BP |
CORNING |
1/pk |
EUR 73 |
Description: Bioscience Mol Bio; DNA Ladder |
1 KB DNA LADDER, 500UL PER KIT |
M-DNA-1KB |
CORNING |
1/pk |
EUR 70 |
Description: Bioscience Mol Bio; DNA Ladder |
Quick Apoptotic DNA Ladder Detection Kit |
K2194-50 |
ApexBio |
50 assays |
EUR 474 |
Enhanced Apoptotic DNA Ladder Detection Kit |
K2202-50 |
ApexBio |
50 assays |
EUR 474 |
Quick Apoptotic DNA Ladder Detection Kit |
K120-50 |
Biovision |
|
EUR 457 |
Enhanced Apoptotic DNA Ladder Detection Kit |
K130-50 |
Biovision |
|
EUR 441 |
MethylFlash Global DNA Methylation (5-mC) ELISA Easy Kit (Colorimetric) |
P-1030 |
EpiGentek |
96 reactions |
EUR 860.55 |
Description: Ask the seller for details |
Global DNA Methylation ELISA Kit (5?-methyl-2?-deoxycytidine Quantitation) |
STA-380 |
Cell Biolabs |
96 assays |
EUR 624 |
Description: The Global DNA Methylation ELISA Kit is a competitive ELISA for the quantitative measurement of 5-methylcytosine (5MedCyd). The unknown 5MedCyd samples or 5MedCyd standards are first added to a 5MedCyd DNA conjugate coated EIA plate. After a brief incubation, an anti-5MedCyd monoclonal antibody is added, followed by an HRP conjugated secondary antibody. The 5MedCyd content in unknown samples is determined by comparison with a predetermined 5MedCyd standard curve. |
Global DNA Methylation ELISA Kit (5?-methyl-2?-deoxycytidine Quantitation) |
STA-380-5 |
Cell Biolabs |
5 x 96 assays |
EUR 2503 |
Description: The Global DNA Methylation ELISA Kit is a competitive ELISA for the quantitative measurement of 5-methylcytosine (5MedCyd). The unknown 5MedCyd samples or 5MedCyd standards are first added to a 5MedCyd DNA conjugate coated EIA plate. After a brief incubation, an anti-5MedCyd monoclonal antibody is added, followed by an HRP conjugated secondary antibody. The 5MedCyd content in unknown samples is determined by comparison with a predetermined 5MedCyd standard curve. |
Human Host Cell DNA Detection Kit in tubes |
D160T |
Cygnus Technologies |
1 kit (50 tubes) |
EUR 983 |
|
Description: Human Host Cell DNA Detection Kit in tubes by Cygnus Technologies is available in Europe via Gentaur. |
Human Host Cell DNA Detection Kit in wells |
D160W |
Cygnus Technologies |
1 kit (96 wells plate) |
EUR 983 |
|
Description: Human Host Cell DNA Detection Kit in wells by Cygnus Technologies is available in Europe via Gentaur. |
E.coli Host Cell DNA Detection Kit in tubes |
D410T |
Cygnus Technologies |
1 kit (50 tubes) |
EUR 983 |
|
Description: E.coli Host Cell DNA Detection Kit in tubes by Cygnus Technologies is available in Europe via Gentaur. |
E.coli Host Cell DNA Detection Kit in wells |
D410W |
Cygnus Technologies |
1 kit (96 wells plate) |
EUR 983 |
|
Description: E.coli Host Cell DNA Detection Kit in wells by Cygnus Technologies is available in Europe via Gentaur. |
CHO Host Cell DNA Detection Kit in tubes |
D550T |
Cygnus Technologies |
1 kit (50 tubes) |
EUR 1130 |
|
Description: CHO Host Cell DNA Detection Kit in tubes by Cygnus Technologies is available in Europe via Gentaur. |
CHO Host Cell DNA Detection Kit in wells |
D550W |
Cygnus Technologies |
1 kit (96 wells plate) |
EUR 1130 |
|
Description: CHO Host Cell DNA Detection Kit in wells by Cygnus Technologies is available in Europe via Gentaur. |
NS/0 Host Cell DNA Detection Kit in tubes |
D220T |
Cygnus Technologies |
1 kit (50 tubes) |
EUR 983 |
|
Description: NS/0 Host Cell DNA Detection Kit in tubes by Cygnus Technologies is available in Europe via Gentaur. |
NS/0 Host Cell DNA Detection Kit in wells |
D220W |
Cygnus Technologies |
1 kit (96 wells plate) |
EUR 983 |
|
Description: NS/0 Host Cell DNA Detection Kit in wells by Cygnus Technologies is available in Europe via Gentaur. |
EpiQuik Global Histone H3K4 Methylation Assay Kit |
P-3017 |
EpiGentek |
96 Assays |
EUR 889.55 |
Description: reagents widely cited |
EpiQuik Global Histone H3K9 Methylation Assay Kit |
P-3018 |
EpiGentek |
96 Assays |
EUR 889.55 |
Description: Ask the seller for details |
EpiQuik m6A RNA Methylation Quantification Kit (Colorimetric) |
P-9005 |
EpiGentek |
96 Reactions |
EUR 788.05 |
Description: The best epigenetics products |
EpiQuik m6A RNA Methylation Quantification Kit (Fluorometric) |
P-9008 |
EpiGentek |
96 Assays |
EUR 788.05 |
Description: reagents widely cited |
Frit Kit |
FRIT-KIT |
Next Advance |
1each |
EUR 124 |
Description: Kit to create frits in capillaries. Includes formamide, Kasil-1, Kasil-1624 and a cleaving tool. |
Column Packing Kit |
PACK-KIT |
Next Advance |
1pack |
EUR 1035 |
Description: Column packing kit for pressure cells. Includes: HPREG regulator, TBNG10 tubing, CAP-75 capillary, and STRB5X2 stir bar. |
HMGB1 Detection Kit |
6010 |
Chondrex |
1 kit |
EUR 753.25 |
Description: HMGB1 Detection Kit |
Autophagy Detection Kit |
abx299014-50tests |
Abbexa |
50 tests |
EUR 523 |
|
Autophagy Detection Kit |
abx299015-200tests |
Abbexa |
200 tests |
EUR 871 |
|
Ubiquitin Detection Kit |
SKT-131-20 |
Stressmarq |
20 assays |
EUR 495 |
|
Description: Purification Detection kit used to capture, detect, identify and characterise ubiquitinated proteins and free chains from samples.
in Cell Lysates, Tissue samples from all species |
Glutathione Detection Kit |
SKT-202-96 |
Stressmarq |
1 plate of 96 wells |
EUR 428 |
|
Description: Direct Fluorometric detection assay to measure the total GSH content in Whole Blood, Serum, EDTA Plasma, Heparin Plasma, Erythrocytes, Urine, Cell Lysates, Tissue samples from all species |
Formaldehyde Detection Kit |
K001-F1 |
Arbor Assays |
2x96 well plate |
EUR 425 |
Senescence Detection Kit |
K2030-250 |
ApexBio |
250 Staining |
EUR 460 |
Apoptosis Detection Kit |
ANXVKB-100T |
ImmunoStep |
100 test |
EUR 464.7 |
Apoptosis Detection Kit |
ANXVKCFB-100T |
ImmunoStep |
100 test |
EUR 412.7 |
Apoptosis Detection Kit |
ANXVKCFB7-100T |
ImmunoStep |
100 test |
EUR 412.7 |
Apoptosis Detection Kit |
ANXVKDY-100T |
ImmunoStep |
100 test |
EUR 389.3 |
Apoptosis Detection Kit |
ANXVKF-100T |
ImmunoStep |
100 test |
EUR 329.5 |
Apoptosis Detection Kit |
ANXVKF7-100T |
ImmunoStep |
100 test |
EUR 329.5 |
Apoptosis Detection Kit |
ANXVKPE-100T |
ImmunoStep |
100 test |
EUR 346.4 |
GenomeCoV19 Detection Kit |
G628 |
ABM |
100 Rxns |
EUR 320 |
Description: The most affordable qPCR Detection Kit for SARS-CoV-2 on the market.abm’s GenomeCoV19 Detection Kit is a real-time reverse transcription-polymerase chain reaction (RT-qPCR) test intended for the qualitative detection of RNA from SARS-CoV-2 in human nasopharyngeal and oropharyngeal swab specimens from individuals suspected of COVID-19 by their healthcare provider. Our GenomeCoV19 Detection Kit is the most affordable qPCR detection kit on the market at only $1.77 USD/test (limited time pricing for US customers only).This kit is widely used in Europe under the CE-IVD certification and is listed by U.S. Food and Drug Administration (FDA) for distribution in the USA, under Section IV.C. |
GenomeCoV19 Detection Kit |
G628.v2 |
ABM |
100 Rxns |
EUR 320 |
Description: The most affordable qPCR Detection Kit for SARS-CoV-2 on the market.abm’s GenomeCoV19 Detection Kit is a real-time reverse transcription-polymerase chain reaction (RT-qPCR) test intended for the qualitative detection of RNA from SARS-CoV-2 in human nasopharyngeal and oropharyngeal swab specimens from individuals suspected of COVID-19 by their healthcare provider. Our GenomeCoV19 Detection Kit is the most affordable qPCR detection kit on the market at only $1.77 USD/test (limited time pricing for US customers only).This kit is widely used in Europe under the CE-IVD certification and is listed by U.S. Food and Drug Administration (FDA) for distribution in the USA, under Section IV.C. |
Senescence Detection Kit |
K320-250 |
Biovision |
|
EUR 468 |
Senescence Detection Kit |
55R-1370 |
Fitzgerald |
250 tests |
EUR 712 |
Description: Senescence Detection Kit for use in the research laboratory |
EpiQuik In Situ Histone H3K4 Methylation Assay Kit |
P-3015 |
EpiGentek |
2x96 assays |
EUR 1063.55 |
Description: kits suitable for this type of research |
EpiQuik In Situ Histone H3K9 Methylation Assay Kit |
P-3016 |
EpiGentek |
2x96 assays |
EUR 1063.55 |
Description: fast delivery possible |
EpiQuik Global Histone H3K27 Tri-Methylation Assay Kit |
P-3020 |
EpiGentek |
96 Assays |
EUR 889.55 |
Description: fast delivery possible |
Histone H3K4 Methylation Antibody Panel Pack |
C10005 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: Ask the seller for details |
Histone H3K9 Methylation Antibody Panel Pack |
C10006 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: fast delivery possible |
Histone H3K27 Methylation Antibody Panel Pack |
C10007 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: The best epigenetics products |
Histone H3K36 Methylation Antibody Panel Pack |
C10008 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: reagents widely cited |
Histone H3K79 Methylation Antibody Panel Pack |
C10009 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: kits suitable for this type of research |
Histone H4K20 Methylation Antibody Panel Pack |
C10012 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: The best epigenetics products |
Histone H3R2 Methylation Antibody Panel Pack |
C10015 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: Ask the seller for details |
Histone H3R8 Methylation Antibody Panel Pack |
C10016 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: fast delivery possible |
Histone H3R17 Methylation Antibody Panel Pack |
C10017 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: The best epigenetics products |
Histone H3R26 Methylation Antibody Panel Pack |
C10018 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: reagents widely cited |
Histone H4R3 Methylation Antibody Panel Pack |
C10019 |
EpiGentek |
3 x 25 µg |
EUR 628.55 |
Description: kits suitable for this type of research |
Cas9 Protein and T7 gRNA SmartNuclease Synthesis Kit |
CAS400A-KIT |
SBI |
1 kit (10 rxn) |
EUR 1110 |
|
CMV-hspCas9-T2A-Puro SmartNuclease Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV100PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
CMV-hspCas9-EF1-GFP SmartNuclease Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV105PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
MSCV-hspCas9-T2A-Puro SmartNuclease Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV120PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
MSCV-hspCas9-EF1-GFP SmartNuclease Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV125PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
Multiplex gRNA Kit + EF1-T7-hspCas9-H1-gRNA linearized SmartNuclease vector |
CAS700A-KIT |
SBI |
10 rxn |
EUR 1132 |
|
Multiplex gRNA Kit + CAG-T7-hspCas9-H1-gRNA linearized SmartNuclease vector |
CAS720A-KIT |
SBI |
10 rxn |
EUR 1132 |
|
Multiplex gRNA Kit + CMV-T7-hspCas9-H1-gRNA linearized SmartNuclease vector |
CAS740A-KIT |
SBI |
10 rxn |
EUR 1132 |
|
T7 gRNA SmartNuclease Synthesis Kit (includes CAS510A-1 & T7 IVT synthesis reagents) |
CAS510A-KIT |
SBI |
1 Kit |
EUR 805 |
|
Cas9 Nickase: CMV-hspCas9(D10A)-T2A-Puro SmartNickase Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV200PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
Cas9 Nickase: CMV-hspCas9(D10A)-EF1-GFP SmartNickase Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV205PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
Cas9 Nickase: MSCV-hspCas9(D10A)-T2A-Puro SmartNickase Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV220PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
Cas9 Nickase: MSCV-hspCas9(D10A)-EF1-GFP SmartNickase Lentivector Plasmid + LentiStarter Packaging Kit |
CASLV225PA-KIT |
SBI |
1 Kit |
EUR 1132 |
|
Multiplex gRNA Kit + Cas9 Nickase: EF1-T7-hspCas9-nickase-H1-gRNA linearized SmartNickase vector |
CAS750A-KIT |
SBI |
10 rxn |
EUR 1132 |
|
Multiplex gRNA Kit + Cas9 Nickase: CAG-T7-hspCas9-nickase-H1-gRNA linearized SmartNickase vector |
CAS770A-KIT |
SBI |
10 rxn |
EUR 1132 |
|
Multiplex gRNA Kit + Cas9 Nickase: CMV-T7-hspCas9-nickase-H1-gRNA linearized SmartNickase vector |
CAS790A-KIT |
SBI |
10 rxn |
EUR 1132 |
|
EpiQuik In Situ Histone H3K27 Tri-Methylation Assay Kit |
P-3014T |
EpiGentek |
2x96 assays |
EUR 1063.55 |
Description: The best epigenetics products |
MethylFlash 5-mC RNA Methylation ELISA Easy Kit (Fluorometric) |
P-9009 |
EpiGentek |
48 reactions |
EUR 496.6 |
Description: kits suitable for this type of research |
Cas9 SmartNuclease Extra Ligation Kit [includes 5x ligation buffer (10 ul) and Fast ligase (2.5ul)] |
CAS9LIG-KIT |
SBI |
1 Kit |
EUR 153 |
|
Residual SDS Detection Kit |
BSP055 |
Bio Basic |
100Assays |
EUR 83.06 |
|
Mouse Albumin Detection Kit |
3012 |
Chondrex |
1 kit |
EUR 483.55 |
Description: Mouse Albumin Detection Kit |
Rat Albumin Detection Kit |
3020 |
Chondrex |
1 kit |
EUR 483.55 |
Description: Rat Albumin Detection Kit |
Protein A Detection Kit |
abx090813-1Kit |
Abbexa |
1 Kit |
EUR 1581 |
|
Luciferase Mycoplasma Detection Kit |
20-abx098882 |
Abbexa |
-
EUR 1233.00
-
EUR 523.00
-
EUR 648.00
|
|
|
PCR Mycoplasma Detection Kit |
abx098883-100rxns |
Abbexa |
100 rxns |
EUR 537 |
|
Component efficiency metrics assessed velocity, accuracy, and high quality, which have been scaled into an general rating starting from Zero to 10 for every job. For every job, ANOVAs with Scheffé’s submit hoc comparisons and Pearson’s chi-squared assessments in contrast efficiency between 6 resident cohorts (scientific years (CY1-5) and analysis fellows (RF)). Paired samples t-assessments evaluated adjustments in efficiency throughout tutorial years. Cronbach’s alpha coefficient decided the interior consistency of the Omni as an general evaluation.The Omni was developed by the Department of Surgery at Duke University. Annual evaluation and this analysis examine passed off within the Surgical Education and Activities Lab.All energetic basic surgical procedure residents in 2 consecutive tutorial years spanning 2015 to 2017.