five cases of each of the following entities were studied : erythroleukemia and erythremic myelosis , acute granulocytic leukemia with maturation ( fab m2 ) , polycythemia rubra vera , myeloproliferative syndrome in childhood , megaloblastic anemia ( b12 and folate deficiency ) , erythroid hyperplasia ( regenerating bone marrow and hemolytic anemia ) , and ph ' chromosome positive chronic granulocytic leukemia .
C1879321
fab m2
C0005953
bone marrow