Awais Saleem, Tayyaba Burhan, and Kabir Hussain. “Ocular Surface Problems Among Smokers and Non-Smokers”. Ophthalmology Pakistan, vol. 12, no. 1, Jan. 2023, https://ophthalmologypakistan.com/op/ojs3.3/index.php/ophth_pakistan_journal/article/view/15.