[Surgical etching No. 3].
D013505:Digestive System Surgical Procedures; D006484:Hemorrhoids / Q000601:surgery*; D006801:Humans; D012004:Rectal Neoplasms; D012007:Rectum; D014656:Vascular Surgical Procedures
HEMORRHOIDS/surgery; RECTUM/neoplasms
Aguafuerte quirúrgica No. 3.