H. Al-Dahhan, Wedad, Mohammed Kadhom, Mustafa S. Abdallh, Emad A. Yousif, and Salam A. Mohammed. “Medical Oxygen Safe Handling During Coronavirus Pandemic: Short Review”. Al-Nahrain Journal of Science 25, no. 2 (June 30, 2022): 45–50. Accessed May 22, 2026. https://anjs.edu.iq/index.php/anjs/article/view/2444.