Tumors in infancy and childhood.
D000008:Abdominal Neoplasms; D000367:Age Factors; D001859:Bone Neoplasms; D001932:Brain Neoplasms; D002648:Child; D005260:Female; D006257:Head; D006258:Head and Neck Neoplasms; D006801:Humans; D007223:Infant; D007938:Leukemia; D008297:Male; D009369:Neoplasms; D009372:Neoplasms, Connective Tissue; D013120:Spinal Cord Neoplasms; D013899:Thoracic Neoplasms