1. A child with 49 chromosomes;Fraccaro, M.; Kaijser, K.; Lindsten, G.;Lancet,1960
2. X-chromosome polysomy in the male;Kleczkowska, A.; Fryns, J.P.; Van den Berghe, H.;Hum Genet,1988
3. Parental origin of chromosomal nondisjunction in a 49, XXXXY male using recombinant-DNA techniques;Villamar, M.; Benitez, J.; Fernandez, E.; Ayuso, C.; Ramos, C.;Clin Genet,1989
4. Parental origin and mechanism of formation of polysomy X: an XXXXX case and four XXXXY cases determined with RFLPs;Deng, H.X.; Abe, K.; Kondo, I.;Hum Genet,1991
5. Determination of the origin of nondisjunction in a 49, XXXXY male using hypervariable dinucleotide repeat sequences;Huang, T.H.M.; Greenberg, F.; Ledbetter, D.H.;Hum Genet,1991