TY  - RPRT
TI  - Internal sphincterotomy. An appraisal with special reference to sequelae.
AU  - K J Hardy
PY  - 1967
DO  - 10.1002/bjs.1800540109
UR  - https://pubmed.ncbi.nlm.nih.gov/6016750/
ID  - 6016750
ER  -