The Relation Between Smoking and Knee Osteoarthritis in Sulaymaniyah Governorate/Iraq. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, n. 4, p. 152–158, 2022. DOI: 10.47750/pnr.2022.13.04.020. Disponível em: https://pnrjournal.com/index.php/home/article/view/1447.. Acesso em: 5 jun. 2026.