RT Journal Article SR Electronic T1 Increasing burden of COPD in rural India: an example why India warrants primary healthcare reforms JF ERJ Open Research JO erjor FD European Respiratory Society SP 00032-2016 DO 10.1183/23120541.00032-2016 VO 2 IS 2 A1 Toshita Kalkana A1 Saibal Moitra A1 Surinder K. Jindal A1 Subhabrata Moitra YR 2016 UL http://openres.ersjournals.com/content/2/2/00032-2016.abstract AB