Lopez-Vicente M, Forns J, Esnaola M, Suades-Gonzalez E, Alvarez-Pedrerol M, Robinson O, Julvez J, Garcia-Aymerich J, Sunye J. Physical activity and cognitive trajectories in schoolchildren. Pediatr Exerc Sci. 2016 Aug;91(8):770-5.
Mirabelli MC, Zock JP, Bircher AJ, Jarvis D, Keidel D, Kromhout H, Norbäck D, Olivieri M, Plana E. Metalworking exposures and persistent skin symptoms in the ECRHS II and SAPALDIA 2 cohorts. Contact Dermatitis. 2009 May;60(5):256-63.
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.