TY  - RPRT
TI  - Endoscopy databases and endoscopic research.
AU  - M V Sivak
PY  - 2000
DO  - 10.1016/s0016-5107(00)70434-2
UR  - https://pubmed.ncbi.nlm.nih.gov/10650284/
ID  - 10650284
ER  -