Garkaz , O., Zirouhi , A., Mohammadi , F., Yavari , G., & Damghani , Z. (2021). A Review of Wearing a Mask and How to Correctly Wear it in Shahroud City. Shahroud Journal of Medical Sciences, 8(2), 41-45. https://doi.org/10.22100/ijhs.v8i2.912