Passive smoking and chronic obstructive pulmonary disease mortality: findings from the Japan collaborative cohort study

Ukawa S, Tamakoshi A, Yatsuya H, Yamagishi K, Ando M, Iso H, JACC Study Group. Passive smoking and chronic obstructive pulmonary disease mortality: findings from the Japan collaborative cohort study. Int J Public Health. 2017; 62(4): 489–94.