Rare polymorphic variants of the AGTR2 gene in boys with non-specific mental retardation. Issue 5 (1st May 2003) - Bienvenu, T; Poirier, K; Van Esch, H; Hamel, B; Moraine, C; Fryns, J P; Ropers, H H; Beldjord, C; Yntema, H G; Chelly, J