title: Letter: Essential thrombocythaemia, polycythaemia, and peripheral gangrene.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005734:Gangrene / Q000209:etiology*; D006801:Humans; D008297:Male; D011086:Polycythemia / Q000150:complications / Q000175:diagnosis*; D013921:Thrombocytopenia / Q000150:complications / Q000175:diagnosis*