Plasma acylation-stimulating protein, adiponectin, leptin, and ghrelin before and after weight loss induced by gastric bypass surgery in morbidly obese subjects. - Faraj,M.; Havel,P.J.; Phelis,S.; Blank,D.; Sneiderman,A.D.; Cianflone,K. (J Clin Endocrinol Metab, 2003)