Montserrat-Capdevila J, Godoy P, Marsal JR, Barbe F, Galvan L. Risk factors for exacerbation in chronic obstructive pulmonary disease: a prospective study. Int J Tuberc Lung Dis. 2016 Mar;20(3):389-95. doi: 10.5588/ijtld.15.0441
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