Progressive osseous heteroplasia: a model for the imprinting effects of GNAS inactivating mutations in humans - Lebrun, M; Richard, N; Abeguile, G; David, A; Coeslier Dieux, A; Journel, H; Lacombe, D; Pinto, G; Odent, S; Salles, J P; Taieb, A; Gandon-Laloum, S; Kottler, M L (J Clin Endocrinol Metab, 2010)