Pharmacokinetics, safety, and endocrine and appetite effects of ghrelin administration in young healthy subjects. - Akamizu,T.; Takaya,K.; Irako,T.; Hosoda,H.; Teramukai,S.; Matsuyama,A.; Tada,H.; Miura,K.; Shimizu,A.; Fukushima,M.; Yokode,M.; Tanaka,K.; et al. (Eur J Endocrinol, 2004)