Association between tumoral GH-releasing peptide receptor type 1a mRNA expression and in vivo response to GH-releasing peptide-6 in ACTH-dependent Cushing's syndrome patients - Machado, Marcio Carlos; Sá, Sandra Valeria de; Giannella Neto, Maria Lucia; Giorgi, Ricardo Rodrigues; Pereira, Maria Adelaide Albergaria; Cescato, Valter Angelo S.; Giannella Neto, Daniel; Salgado, Luiz Roberto (European journal of endocrinology, 2008)