These resources refer to Personal Protective Equipment (PPE) and resources relating to areas of specific concern, Aerosol Generating Procedures (AGP's) and Resuscitation.
Full Reference: Bartoszko JJ, Farooqi MAM, Alhazzani W, et al. Medical masks vs N95 respirators for preventing COVID-19 in healthcare workers: A systematic review and meta-analysis of randomized trials. Influenza Other Respir Viruses. 2020 Apr 4. doi: 10.1111/irv.12745.