TY  - RPRT
TI  - On endoscopic training and procedural competence.
AU  - J Baillie
AU  - W J Ravich
PY  - 1993
DO  - 10.7326/0003-4819-118-1-199301010-00014
UR  - https://pubmed.ncbi.nlm.nih.gov/8416163/
ID  - 8416163
ER  -