BONE MARROW MORPHOLOGY STUDY.
D001853:Bone Marrow; D001856:Bone Marrow Examination; D002648:Child; D006801:Humans; D007938:Leukemia; D009369:Neoplasms / Q000175:diagnosis*; D012106:Research
BONE MARROW EXAMINATION; CHILD; LEUKEMIA; NEOPLASM DIAGNOSIS