Identification of a novel nonsense mutation and missense substitution in the vasopressin-neurophysin II gene in two spanish kindred's with familial neurohypophysial diabetes insipidus. - Calvo,B.; Bilbao,J.R.; Urrutia,I.; Eizaguirre,J.; Gaztambide,S.; Castaño,L. (J Clin Endocrinol Metab, 1997)