ultrastructural and ultracytochemical studies were performed on blast cells from 12 down 's syndrome neonates with transient myeloproliferative disorder ( tmd ) and 13 down 's syndrome patients with megakaryoblastic leukaemia ( mkl ) , in order to clarify the cytological characteristics of these cells .
C1834582
transient myeloproliferative disorder
C0013080
down 's syndrome