Hematology problem.
D000368:Aged; D000740:Anemia / Q000097:blood* / Q000175:diagnosis / Q000188:drug therapy; D001772:Blood Cell Count; D004912:Erythrocytes / Q000166:cytology; D005492:Folic Acid / Q000627:therapeutic use; D006801:Humans; D007501:Iron / Q000097:blood; D008297:Male; D011736:Pyridoxine / Q000627:therapeutic use
D005492:Folic Acid; D007501:Iron; D011736:Pyridoxine