TY  - RPRT
TI  - Internal sphincterotomy.
AU  - A P Clery
AU  - M Feely
PY  - 1970
DO  - 10.1136/bmj.4.5728.178-a
UR  - https://pubmed.ncbi.nlm.nih.gov/5475835/
ID  - 5475835
ER  -