1. Problem of cyclopia;Adelmann, H.B.;Quart. Rev. Biol,1936
2. Multiple congenital abnormalities associated with chromosomal trisomy;Atkins, L.; Rosenthal, M.K.;New Engl. J. Med,1961
3. Trisomie 13-15 mit Cebocephalie;Buhler, E.; Bodis, I.; Rossier, R.; Stalder, G.;Ann. paediat,1962
4. A micro-method for peripheral blood;Butler, L.J.;Hum. Chrom. Newsletter,1965
5. trisomy syndrome: an analysis of 13 cases;Butler, L.J.; Snodgrass, G.J.A.I.; France, N.E.; Sinclair, L.; Russell, A.;The E,1965