Ethemoglu, Gulsah, Serif Kurtulus, Remziye Can, Hamdiye Turan, Zafer Hasan Ali Sak, and Mahmut Ulger. 2023. “Smoking Status and Copd Awareness of Teachers in Sanliurfa”. Annals of Medical Research 30 (7):760-66. http://www.annalsmedres.org/index.php/aomr/article/view/4474.