1. Mosaicism for trisomy 17-18 and trisomy 13-15 in man;Nature (Lond.),1965
2. Double autosomal trisomy (D trisomy plus mongolism);Becker, K.L.; Burke, E.C.; Albert, A.;Proc. Mayo Clin,1963
3. Double trisomie autosomique a 48 chromosomes (21 + 18). Un;Gagnon, J.; Katyk-Lontin, N.; DeGroot, J.A.; Barbeau, A.;mid. Can,1961
4. A case of double autosomal trisomy with mosaicism: 48/XX (trisomy 18 + 21) and 46/XX;Hsu, L.Y.-F.; Schwager, A.J.; Nemhauser, I.; Sobel, E.H.;J. Pediat,1965
5. Trisomy 21-trisomy 18 mosaicism in a boy with clinical Down's syndrome;Marks, J.F.; Wiggins, K.M.; Spector, B.J.;ibid,1967