1) Nussdorfer GG et al., “Secretin, glucagon, gastric inhibitory polypeptide, parathyroid hormone, and related peptides in the regulation of the hypothalamus- pituitary-adrenal axis” , Peptides 2000 Feb;21(2):309-24.
2) Reimer, C., Søndergaard, B., Hilsted, L., and Bytzer, P. (2009, Jul). Proton-pump inhibitor
therapy induces acid-related symptoms in healthy volunteers after withdrawal of therapy.
Gastroenterology, 137(1): 80-7.