title: Polycythemia rubra vera and ulcerative colitis.
authors.forename: C K
authors.initials: CK
authors.lastname: Ching
authors.forename: R N
authors.initials: RN
authors.lastname: Allan
mesh_terms: D000368:Aged; D003093:Colitis, Ulcerative / Q000150:complications*; D006801:Humans; D008297:Male; D011087:Polycythemia Vera / Q000150:complications*