Launois R, Le Moine J, Uzzan B, Fiestas Navarette LI, Benamouzig R. Systematic review and bivariate/HSROC random-effect meta-analysis of immunochemical andguaiac-based fecal occult blood tests for colorectal cancer screening. Eur J Gastroenterol Hepatol. 2014 Sep;26(9):978-89. doi: 10.1097/MEG.0000000000000160
López MV, Rivero E, Serra C, Campo M, Raurich M, Bonfill X. Health survey in health care professionals in Barcelona. Arch Prev Riesgos Laborales. 1998;1(2):55-62.