1. Autosomal monosomy in man;Al-Aish, M.S.; De La Cruz, F.; Goldsmith, L.A.; Volpe, J.; Mella, G.; Robinson, J.C.;New Engl. j. Med,1967
2. Reversal of hypotonia in infants with Down's syndrome by administration of 5-hydroxytryptophan;Bazelon, M.; Paine, R.S.; Cowie, V.A.; Hunt, P.; Houck, J.C.; Mahanand, D.;Lancet,1967
3. An increased incidence of congenital pyloric stenosis in patients with ovarian dysgenesis;Benson, P.F.; King, M.M.R.;Guy's Hosp. Rep,1964
4. Quoted in Down's Anomaly;German, J.L.; Bearn, A.G.,1962
5. By L. S. Penrose and G. F. Smith. (1966). Churchill, London.