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.
Westfall PH, Prillaman B, Ho SY. Properties of multiple intersection-union tests for multiple endpoints in combination therapy trials. J Biopharm Stat. 2001;11(3):125-38. doi: 10.1081/BIP-100107653