Impact of COVID-19 and lockdown on outcomes of COPD patients in Turkey: lessons for the future. - Polat Yulug D; Sen E; Alpaydin AO; Nayci S; Ozgur ES; Baydar Toprak O; Sahin AM; Selcuk E; Yigit S; Elmas Uysal F; Gurgun A; Kokturk N; et al. (BMC pulmonary medicine, 2025)