TY  - RPRT
TI  - Electrocardiographic changes during endoscopy.
AU  - G Sachdev
AU  - J C Vij
AU  - R Nanda
AU  - B S Anand
AU  - M Khalilullah
UR  - https://pubmed.ncbi.nlm.nih.gov/3557508/
ID  - 3557508
ER  -