Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
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
Kosa KM, Cates SC, Ball M, Godwin SL, Coppings RJ. Consumers' response and preparedness to ensure food safety during extended power outages: findings from a national survey. International journal of food safety, nutrition and public health. 2014 Jul 17;5(1):34-45. doi: 10.1504/IJFSNPH.2014.063503