Anticipation of public speaking and sleep and the hypothalamic-pituitary-adrenal axis in women with irritable bowel syndrome. - Heitkemper, M. M.; Cain, K. C.; Deechakawan, W.; Poppe, A.; Jun, S-E.; Burr, R. L.; Jarrett, M. E. (Neurogastroenterology & Motility, 2012)