Postprandial suppression of plasma ghrelin level is proportional to ingested caloric load but does not predict intermeal interval in humans. - Callahan,H.S.; Cummings,D.E.; Pepe,M.S.; Breen,P.A.; Matthys,C.C.; Weigle,D.S. (J Clin Endocrinol Metab, 2004)