M. Khalaf, M. and Alkotaji, M. (2020) “Pulmonary surfactant in COVID-19; A role in etiology and treatment”, Iraqi Journal of Pharmacy, 17(1), pp. 115–134. Available at: https://rjps.uomosul.edu.iq/index.php/iphr/article/view/21544 (Accessed: 4 August 2025).