TY  - RPRT
TI  - Colonoscopy training--new approaches, old problems.
AU  - Siwan Thomas-Gibson
AU  - Christopher B Williams
PY  - 2005
DO  - 10.1016/j.giec.2005.08.008
UR  - https://pubmed.ncbi.nlm.nih.gov/16278140/
ID  - 16278140
ER  -