Original Research

Investigating sensitivity, specificity, and area under the curve of the Clinical COPD Questionnaire, COPD Assessment Test, and Modified Medical Research Council scale according to GOLD using St George's Respiratory Questionnaire cutoff 25 (and 20) as reference

Tsiligianni IG, Alma HJ, de Jong C, Jelusic D, Wittmann M, Schuler M, Schultz K, Kollen BJ, van der Molen T, Kocks JWH

International Journal of Chronic Obstructive Pulmonary Disease 2016, 11:1045-1052

Published Date: 18 May 2016