Population-Based Screening for Chronic Obstructive Pulmonary Disease Using the St. George's Respiratory Questionnaire in Resource-Limited Settings.

Checkley W, Yang M, Robertson NM, Sharma AK, Chandyo RK, Shrestha L, Das SK, Kirenga B, Alupo P, Gianella G, Siddharthan T, Pollard SL, Quaderi S, Rykiel N, Flores-Flores O, Hurst JR, Wise RA, Global Excellence in COPD outcomes (GECo) Study Investigators