[Retroperitoneal teratoma in infants and children: a report of 12 cases].
D002648:Child; D006801:Humans; D007223:Infant; D009369:Neoplasms; D012187:Retroperitoneal Space; D013724:Teratoma
RETROPERITONEAL SPACE/neoplasms; TERATOID TUMOR/in infancy and childhood