Busque SM, Kerstetter JE, Geibel JP, Insogna K. l-Type amino acids stimulate gastric acid secretion by activation of the calcium-sensing receptor in parietal cells. American Journal of Physiology-Gastrointestinal and Liver Physiology. 2005 Oct;289(4):G664–9. doi: 10.1152/ajpgi.00096.2005.