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
Grieger KD, Sayes C, Hendron CO, Rothrock G, Mansfield C, Jayanty RKM, Ensor D. Finding the key to responsible nanomaterial development. Ehs Today: The Magazine For Environment, Health And Safety Leaders. 2013 Dec 6.
Merrill RM, Kelley TA, Cox E, Layman AB, Layton BJ, Lindsay R. Factors and barriers influencing influenza vaccination among students at Brigham Young University. Med Sci Monit. 2010 Feb;16(2):PH29-34.