[Primary malignant liver tumors in infants and children: report of 12 cases].
D006528:Carcinoma, Hepatocellular / Q000175:diagnosis / Q000601:surgery*; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008113:Liver Neoplasms / Q000175:diagnosis / Q000601:surgery*; D013724:Teratoma / Q000175:diagnosis / Q000601:surgery*