“Effect of Pulse Rate and Oxygen Saturation on the Duration of Wearing Mask Among Nurses During the Pandemic of Coronavirus”. Iraqi National Journal of Nursing Specialties 36, no. 2 (December 30, 2023): 21–28. Accessed November 21, 2024. https://injns.uobaghdad.edu.iq/index.php/INJNS/article/view/821.