Intestinal absorption and malabsorption : proceedings of the Symposium held in the
Department of Paediatrics, University of Zürich, November 17-18th, 1967 : in honour
of A. Hottinger's 70th birthday / Ed. by D. E. Shmerling, H. Berger, A. Prader, 1968
La classification de Prader, du nom d'Andrea Prader (1919-2001) endocrinologue pédiatrique
suisse, répertorie les différents cas d'intersexuation selon 5 types (Source wikipédia)