Hematology problem.
D000368:Aged; D000373:Agglutinins / Q000032:analysis*; D001323:Autoantibodies / Q000032:analysis*; D003080:Cold Temperature; D003951:Diagnostic Errors; D004906:Erythrocyte Count; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008297:Male
D000373:Agglutinins; D001323:Autoantibodies; D006454:Hemoglobins