Presence of GH1 and absence of GHRHR gene mutations in a large cohort of Argentinian patients with severe short stature and isolated GH deficiency. (11th July 2013) - Juanes, Matias; Marino, Roxana; Ciaccio, Marta; Di Palma, Isabel; Ramirez, Pablo; Warman, Diana M.; De Dona, Valeria; Chaler, Eduardo; Maceiras, Mercedes; Rivarola, Marco A.; Belgorosky, Alicia