Boonmak, P., Boonmak, S., Mitsungnern, T. and Chareonpol, F.- ngam (2014) “Comparison Study between Face Shield and Pocket Mask for Adult Basic Life Support Training for Health Care Provider”, Srinagarind Medical Journal, 29(2), pp. 121–126. Available at: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/18261 (Accessed: 19 May 2022).