TY  - RPRT
TI  - Improving the view in emergency endoscopy.
AU  - S C Chung
AU  - J W Leung
PY  - 1987
DO  - 10.1055/s-2007-1018229
UR  - https://pubmed.ncbi.nlm.nih.gov/3493900/
ID  - 3493900
ER  -