Two years of replacement therapy in adults with growth hormone deficiency. - Verhelst,J.; Abs,R.; Vandeweghe,M.; Mockel,J.; Legros,J.; Kopinschi,G.; Mahler,C.; Velkeniers,B.; Vanhaelst,L.; van Aelst,A.; de Rijdt,D.; Stevenaert,A.; et al. (Clin Endocrinol, 1997)