Early detection of COPD patients in GOLD 0 population: an observational non-interventional cohort study - MARKO study.
Žarko VrbicaMarina LaborIvan GudeljSlavica LaborIva JurićDavor Plavecnull nullPublished in: BMC pulmonary medicine (2017)
Clinicaltrial.gov NCT01550679 retrospectively registered February 28, 2012.