Akamizu, T, Iwakura H, Ariyasu H,Kangawa K. 2010a. Ghrelin and functional dyspepsia. Int J Pept, 2010: 1-6.
Akamizu, T,Kangawa K. 2010b. Ghrelin for cachexia. J Cachexia Sarcopenia Muscle, 1: 169-176.
Asakawa, A, Inui A, Kaga O, Yuzuriha H, Nagata T, Ueno N, Makino S, Fujimiya M, Niijima A, Fujino M A,Kasuga M. 2001. Ghrelin is an appetite-stimulatory signal from stomach with structural resemblance to motilin. Gastroenterology, 120: 337-345.
Cross, D E, McDevitt R M, Hillman K,Acamovic T. 2007. The effect of herbs and their associated essential oils on performance, dietary digestibility and gut microflora in chickens from 7 to 28 days of age. Br Poult Sci, 48: 496-506.
Cummings, D E, Purnell J Q, Frayo R S, Schmidova K, Wisse B E,Weigle D S. 2001. A preprandial rise in plasma ghrelin levels suggests a role in meal initiation in humans. Diabetes, 50: 1714-1719.
Fujitsuka, N, Asakawa A, Hayashi M, Sameshima M, Amitani H, Kojima S, Fujimiya M,Inui A. 2009. Selective serotonin reuptake inhibitors modify physiological gastrointestinal motor activities via 5-HT2c receptor and acyl ghrelin. Biol Psychiatry, 65: 748-759.
Kojima, M, Hosoda H, Date Y, Nakazato M, Matsuo H,Kangawa K. 1999. Ghrelin is a growth-hormone-releasing acylated peptide from stomach. Nature, 402: 656-660.
Konturek, S J, Pepera J, Zabielski K, Konturek P C, Pawlik T, Szlachcic A,Hahn E G. 2003. Brain-gut axis in pancreatic secretion and appetite control. J Physiol Pharmacol, 54: 293-317.
Lakshmi, T, Geetha R V, Roy A,Kumar S A. 2011. Yarrow (Achillea millefolium linn). A herbal medicinal plant with broad therapeutic use- A review. Int J Pharm Sci Rev Res, 9: 136-141.
Matsumura, T, Arai M, Yonemitsu Y, Maruoka D, Tanaka T, Suzuki T, Yoshikawa M, Imazeki F,Yokosuka O. 2010. The traditional Japanese medicine Rikkunshito increases the plasma level of ghrelin in humans and mice. J Gastroenterol, 45: 300-307.
Natalucci, G, Riedl S, Gleiss A, Zidek T,Frisch H. 2005. Spontaneous 24-h ghrelin secretion pattern in fasting subjects: maintenance of a meal-related pattern. Eur J Endocrinol, 152: 845-850.
Rhiannon, L M.2005. The effects of Yarrow (Achillea millefolium) and herbal supplements on growth performance and nutrient utilization of broiler chickens. Thesis (Ph.D.), Harper Adams University College.
Saeidnia, S, Gohari A, Mokhber-Dezfuli N,Kiuchi F. 2011. A review on phytochemistry and medicinal properties of the genus Achillea. DARU, 19: 173-186.
Shimbara, T, Mondal M S, Kawagoe T, Toshinai K, Koda S, Yamaguchi H, Date Y,Nakazato M. 2004. Central administration of ghrelin preferentially enhances fat ingestion. Neurosci Lett, 369: 75-79.
Takeda, H, Sadakane C, Hattori T, Katsurada T, Ohkawara T, Nagai K,Asaka M. 2008. Rikkunshito, an herbal medicine, suppresses cisplatin-induced anorexia in rats via 5-HT2 receptor antagonism. Gastroenterology, 134: 2004-2013.
Tschop, M, Wawarta R, Riepl R L, Friedrich S, Bidlingmaier M, Landgraf R,Folwaczny C. 2001. Post-prandial decrease of circulating human ghrelin levels. J Endocrinol Invest, 24: RC19-21.
Wren, A M, Seal L J, Cohen M A, Brynes A E, Frost G S, Murphy K G, Dhillo W S, Ghatei M A,Bloom S R. 2001. Ghrelin enhances appetite and increases food intake in humans. J Clin Endocrinol Metab, 86: 5992.