TY  - RPRT
TI  - Multiple hemorrhoidal ligation: a prospective, randomized trial evaluating a new technique.
AU  - David N Armstrong
PY  - 2003
DO  - 10.1097/01.dcr.0000049224.86580.41
UR  - https://pubmed.ncbi.nlm.nih.gov/12576891/
ID  - 12576891
ER  -