Pitfalls in diagnosing impaired growth hormone (GH) secretion: retesting after replacement therapy of 63 children defined as GH deficient. - Cacciari,E.; Tassoni,P.; Parisi,G.; Pirazzoli,P.; Zucchini,S.; Mandini,M.; Cicognani,A.; Balsamo,A. (J Clin Endocrinol Metab, 1992)