[Posterior sphincterotomy in anoperineal surgery; concept; technic; statistics].
D001003:Anal Canal / Q000601:surgery*; D013505:Digestive System Surgical Procedures; D005205:Fascia; D005402:Fistula; D006484:Hemorrhoids / Q000601:surgery*; D006801:Humans; D009132:Muscles; D019637:Orthopedic Procedures
ANUS/fistula; ANUS/surgery; HEMORRHOIDS/surgery
Esfinterotomía posterior en cirugía anoperineal; concepto; tecnica; estadística.