Israr Ud Din, Shaista Alam, Muhammad Hafeez, Mansoor Alam, Shabir Ahmed Orakzai, Saman Hussain 2022. Evidence of Bacterial Biofilms in Human Chronic Sinusitis. Pakistan Journal of Medical & Health Sciences. 16, 09 (Nov. 2022), 413. DOI:https://doi.org/10.53350/pjmhs22169413.