[Rectossigmoidoscopy in symptomatic patients].
Averbach
Marcelo
M
D003108:Colonic Diseases / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis; D006801:Humans; D012002:Rectal Diseases / Q000175:diagnosis*; D012812:Sigmoidoscopy / Q000379:methods*