Polycythaemia masked by megaloblastic anaemia.
D000368:Aged; D000748:Anemia, Macrocytic / Q000150:complications* / Q000188:drug therapy; D002118:Calcium / Q000627:therapeutic use; D004381:Duodenal Ulcer / Q000601:surgery; D004921:Erythropoietin / Q000097:blood; D006452:Hemoglobinometry; D006801:Humans; D007501:Iron / Q000627:therapeutic use; D007958:Leukocyte Count; D008297:Male; D010759:Phosphorus Isotopes; D011087:Polycythemia Vera / Q000175:diagnosis*; D011178:Postgastrectomy Syndromes; D014527:Uric Acid / Q000097:blood; D014805:Vitamin B 12 / Q000097:blood / Q000627:therapeutic use
D010759:Phosphorus Isotopes; D004921:Erythropoietin; D014527:Uric Acid; D007501:Iron; D014805:Vitamin B 12; D002118:Calcium