Gene causing severe non-specific x-linked mental retardation (xlmr) maps at the distal region of the xp: a new form of xlmr or clinical variability within the same locus? - Passos-Bueno, Maria Rita; Takata, R I; Byth, B; Bassett, J H D; Beggs, A; Bakker, E; Vainzof, Mariz; Zatz, Mayana (Reuniao Anual da Sociedade Brasileira de Bioquimica e Biologia Molecular - Sbbq, 1992)