title: Polycythaemias.
authors.affiliation: St Thomas's Hospital, London.
authors.forename: M
authors.initials: M
authors.lastname: Messinezy
authors.forename: T
authors.initials: T
authors.lastname: Pearson
mesh_terms: D000368:Aged; D001815:Bloodletting; D006400:Hematocrit; D006801:Humans; D008875:Middle Aged; D011086:Polycythemia / Q000175:diagnosis* / Q000628:therapy