TY  - RPRT
TI  - Oxygen saturation post-gastroscopy and post-colonoscopy.
AU  - G Poser
AU  - S Ladik
DO  - 10.1097/00001610-199507000-00003
UR  - https://pubmed.ncbi.nlm.nih.gov/7654808/
ID  - 7654808
ER  -