Chromosome abnormalities of eighty-one pediatric germ cell tumors: sex-, age-, site-, and histopathology-related differences - a Children's Cancer Group study. - Bussey ,K.J.; Lawce ,H.J.; Olson ,S.B.; Arthur ,D.C.; Kalousek ,D.K.; Krailo ,M et al. (Genes Chromosomes Cancer, 1999)