title: X-linked somatic-cell selection and polycythemia rubra vera.
mesh_terms: D005260:Female; D008040:Genetic Linkage; D005954:Glucosephosphate Dehydrogenase / Q000235:genetics; D006801:Humans; D011087:Polycythemia Vera / Q000235:genetics*; D012641:Selection, Genetic; D014960:X Chromosome
chemical_list: D005954:Glucosephosphate Dehydrogenase