TY  - RPRT
TI  - Complete external sphincterotomy: correlation between endoscopic observation and the anatomic sphincter.
AU  - D G Linker
AU  - E A Tanagho
PY  - 1975
DO  - 10.1016/s0022-5347(17)59478-1
UR  - https://pubmed.ncbi.nlm.nih.gov/1117503/
ID  - 1117503
ER  -