title: [Six children with B-cell type acute lymphocytic leukemia (author's transl)].
mesh_terms: D001402:B-Lymphocytes / Q000648:ultrastructure*; D002675:Child, Preschool; D006801:Humans; D007945:Leukemia, Lymphoid / Q000648:ultrastructure*; D008297:Male; D011379:Prognosis