title: [Concentration of vitamin A and carotene in blood serum of patients with polycythemia vera].
mesh_terms: D000328:Adult; D000368:Aged; D002338:Carotenoids / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011087:Polycythemia Vera / Q000097:blood*; D014801:Vitamin A / Q000097:blood*
chemical_list: D014801:Vitamin A; D002338:Carotenoids
vernacular_title: Stezenie witaminy A i karotenu w surowicy krwi u chorych z czerwienica prawdziwa.