THE AUTHORS REPLY.
Held U, Kessels A, Garcia Aymerich J, Basagaña X, Ter Riet G, Moons KGM, Puhan MA; International COPD Cohorts Collaboration Working Group.
Held U, et al.
Am J Epidemiol. 2017 Mar 1;185(5):406. doi: 10.1093/aje/kwx010.
Am J Epidemiol. 2017.
PMID: 28174832
No abstract available.