TY  - RPRT
TI  - Advances in gastrointestinal endoscopic techniques.
AU  - David E Beck
PY  - 2006
DO  - 10.1016/j.suc.2006.05.003
UR  - https://pubmed.ncbi.nlm.nih.gov/16905413/
ID  - 16905413
ER  -