Xu J, Evans J, Coon C, Copley-Merriman K, Su Y. Measuring patient-reported outcomes in advanced gastric cancer. Ecancermedicalscience. 2013;7:351. doi: 10.3332/ecancer.2013.351.
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