A cross-sectional study on prevalence of chronic obstructive pulmonary disease (COPD) in India: rationale and methods

por Rajkumar, Prabu, Pattabi, Kamaraj, Vadivoo, Selvaraj, Bhome, Arvind, Brashier, Bill, Bhattacharya, Prashanta, Mehendale, Sanjay M
Publicado 2017