[Posterior sphincterotomy in anoperineal surgery; concept, technic and statistics].
D001003:Anal Canal / Q000601:surgery*; D013505:Digestive System Surgical Procedures; D005205:Fascia; D006801:Humans; D009132:Muscles
ANUS/surgery
Esfinterotomäa posterior en cirugäa anoperineal; concepto; técnica; estadästica.