TY  - RPRT
TI  - Electrocardiographic changes during routine sigmoidoscopy.
AU  - G F Fletcher
AU  - D L Earnest
AU  - W F Shuford
AU  - N K Wenger
PY  - 1968
UR  - https://pubmed.ncbi.nlm.nih.gov/5721873/
ID  - 5721873
ER  -