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
Liew Z, Ritz B, Rebordosa C, Lee PC, Olsen J. Acetaminophen use during pregnancy, behavioural problems, and hyperkinetic disorders. JAMA Pediatr. 2014 Apr;168(4):13-20.
Rowhani-Rahbar A, Fireman B, Lewis E, Nordin J, Naleway A, Jacobsen SJ, Jackson LA, Tse (Kawai) A, Belongia EA, Hambidge SJ, Weintraub E, Baxter R, Klein NP. Effect of age on the risk of fever and seizures following immunization with measles-containing vaccines in children. JAMA Pediatr. 2013 Dec;167(12):1111-7. doi: 10.1001/jamapediatrics.2013.2745
Cole JA, Rothman KJ, Cabral HJ, Zhang Y, Farraye FA. Incidence of IBS in a cohort of people with asthma. Dig Dis Sci. 2007 Feb 28;52(2):329-35.