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
Beach RH, Poulos C, Pattanayak SK. Farm economics of bird flu. Revue Canadienne D'agroeconomie. 2007 Dec 1;55(4):471-83.