[What can be masked by hemorrhoids].
Weiss
Maria
M
D001003:Anal Canal / Q000098:blood supply*; D001005:Anus Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006484:Hemorrhoids / Q000175:diagnosis*; D006801:Humans; D011351:Proctoscopy; D020246:Venous Thrombosis / Q000175:diagnosis*