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. Author manuscript; available in PMC: 2005 Nov 23.
Published in final edited form as: J Clin Endocrinol Metab. 2005 Jan 5;90(4):2225–2232. doi: 10.1210/jc.2004-1365

Fig. 2.

Fig. 2

Mean (±sem) GH concentrations monitored every 10 min for 5 h in young men (n = 8) and women in the early follicular phase of the menstrual cycle (n = 6) during iv infusion of saline (top left) or the paired secretagogues: l-arginine/GHRP-2 (top right), L-arginine/GHRH (bottom left), and GHRH/ GHRP-2 (bottom right). l-Arginine and peptide delivery began at, respectively, 100 and 130 min (x-axis, where zero min is 0800 h).