Hogue SL, Goss D, Hollis K, Silvia S, White MV. Training and administration of epinephrine auto-injectors for anaphylaxis treatment in US schools: results from the EpiPen4Schools® pilot survey. J Asthma Allergy. 2016 Jun 17;9:109-15. doi: 10.2147/JAA.S106567
Urrutia I, Aguirre U, Sunyer J, Plana E, Muniozguren N, Martinez-Moratalla J. Changes in the prevalence of asthma in the Spanish cohort of the European Community Respiratory Health Survey (ECRHS-II). Arch. Bronconeumol. 2007 Aug;43(8):425-30.