Measuring health-related quality of life in chronic obstructive pulmonary disease: properties of the EQ-5D-5L and PROMIS-43 short formFang‐Ju Lin, Todd A. Lee, A. Simon Pickard et al.|BMC Medical Research Methodology|2014Cited by 72
Multicenter Study Comparing Case Definitions Used to Identify Patients with Chronic Obstructive Pulmonary DiseaseValentin Prieto-Centurion, Jerry A. Krishnan, Andrew J. Rolle et al.|American Journal of Respiratory and Critical Care Medicine|2014Cited by 53