[Current problems in proctology].
D003108:Colonic Diseases / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis; D006801:Humans; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis
Aktuelle Probleme der Proktologie.