Coexistence of two different pseudohypoparathyroidism subtypes (Ia and Ib) in the same kindred with independent Gsalpha coding mutations and GNAS imprinting defects - Lecumberri, B; Fernandez-Rebollo, E; Sentchordi, L; Saavedra, P; Bernal-Chico, A; Pallardo, L F; Bustos, J M; Castano, L; de Santiago, M; Hiort, O; Perez de Nanclares, G; Bastepe, M (J Med Genet, 2010)