Bridou, Morgiane, Colette Aguerre, Guillaume Gimenes, Violaine Kubiszewski, Armel Le Gall, Catherine Potard, Olivier Sorel, and Christian Reveillere. “Psychological Barriers and Facilitators of Colorectal Cancer Screening: A French Qualitative Study”. Health Psychology Research 1, no. 2 (June 10, 2013): e22. Accessed April 2, 2020. https://www.pagepressjournals.org/index.php/hpr/article/view/hpr.2013.e22.