[Tumors of sympathetic origin. Report and discussion of 3 cases].
D002648:Child; D006801:Humans; D007223:Infant; D008499:Medical Records; D009369:Neoplasms; D009447:Neuroblastoma; D010235:Paraganglioma
NEUROBLASTOMA/case reports; NEUROBLASTOMA/in infancy and childhood; PARAGANGLIOMA/case reports; PARAGANGLIOMA/in infancy and childhood