Impact of two or three daily subcutaneous injections of hexarelin, a synthetic growth hormone (GH) secretagogue, on 24-h GH, prolactin, adrenocorticotropin and cortisol secretion in humans - Maccario, M; Veldhuis, J; Broglio, F; Vito, L; Arvat, E; Deghenghi, R; Ghigo, E (Eur J Endocrinol, 2002)