Health-related quality of life associates with change in FEV1 in COPD: results from the COSYCONET cohort.
Johanna I LutterRudolf A JörresKathrin KahnertLarissa SchwarzkopfMichael StudnickaStefan KarraschHolger SchulzClaus F VogelmeierRolf Hollenull nullPublished in: BMC pulmonary medicine (2020)
NCT01245933. Date of registration: 18 November 2010.