Mangel AW, Fehnel SE. End points in irritable bowel syndrome. Expert Rev Gastroenterol Hepatol. 2011 Jun 1;5(3):293-5.
O'Connor DB, Warttig S, Conner M, Lawton R. Raising awareness of hypertension risk through a web-based framing intervention: does consideration of future consequences make a difference? Psychol Health Med. 2009 Mar;14(2):213-9. doi: 10.1080/13548500802291618