title: Ultrastructural investigations of blastic cells in acute leukemias in children.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007938:Leukemia / Q000648:ultrastructure*; D007945:Leukemia, Lymphoid / Q000648:ultrastructure; D008297:Male