[On anorectal surgery].
D001004:Anus Diseases / Q000601:surgery*; D006484:Hemorrhoids / Q000601:surgery; D006801:Humans; D009362:Neoplasm Metastasis; D012002:Rectal Diseases / Q000601:surgery*; D012004:Rectal Neoplasms / Q000601:surgery
Zur anorectalen Chirurgie.