TY  - RPRT
TI  - Cardiorespiratory effects during gastrointestinal endoscopy.
AU  - R Block
AU  - J Jankowski
AU  - J Colvin
PY  - 1991
DO  - 10.1111/j.1365-2044.1991.tb09736.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1741860/
ID  - 1741860
ER  -