Asthma-chronic obstructive pulmonary disease overlap: Results from a national-multicenter study. - Çelik GE; Aydin Ö; Şen E; Demir T; Gemicioğlu B; Kiyan E; Mungan D; Kivilcim Oğuzülgen İ; Polatli M; Göksel Ö; Sayiner A; Yildirim N; et al. (Tuberkuloz ve toraks, 2024)