Comfort and exertion while using filtering facepiece respirators with exhalation valve and an active venting system among male military personnel.

Seng, M., Wee, L. E., Zhao, X., Cook, A. R., Chia, S. E., & Lee, V. J. (2017). Comfort and exertion while using filtering facepiece respirators with exhalation valve and an active venting system among male military personnel. Singapore Medical Journal. https://doi.org/10.11622/smedj.2017054