@article{doi:10.5505/ktd.2020.78055, author = {Gonlugur, Ugur and Gonlugur, Tanseli}, title = {Seasonal variations in exacerbations of chronic obstructive pulmonary disease}, journal = {Kocaeli Med J}, volume = {9}, number = {2}, pages = {140-146}, year = {2020}, doi = {10.5505/ktd.2020.78055}, note ={doi: 10.5505/ktd.2020.78055}, URL = {https://dx.doi.org/10.5505/ktd.2020.78055}, eprint = {https://dx.doi.org/10.5505/ktd.2020.78055} }