AU - Gonlugur, Ugur AU - Gonlugur, Tanseli TI - Seasonal variations in exacerbations of chronic obstructive pulmonary disease PT - Journal Article DP - 2020 TA - Kocaeli Med J PG - 140-146 VI - 9 IP - 2 AID - 10.5505/ktd.2020.78055 [doi] 4100 - https://dx.doi.org/10.5505/ktd.2020.78055 SO - Kocaeli Medical Journal, 2020 9(2):140