Pituitary magnetic resonance imaging and function in patients with growth hormone deficiency with and without mutations in GHRH-R, GH-1, or PROP-1 genes. - Osorio MG; Marui S; Jorge AA; Latronico AC; Lo LS; Leite CC; Estefan V; Mendonca BB; Arnhold IJ (The Journal of clinical endocrinology and metabolism, 2002)