Surgical masks vs N95 respirators for preventing influenza.
Palen
Ted E
TE
Felix
Kate G
KG
D003365:Costs and Cost Analysis; D006801:Humans; D017758:Infectious Disease Transmission, Patient-to-Professional / Q000517:prevention & control*; D007251:Influenza, Human / Q000517:prevention & control* / Q000635:transmission; D008397:Masks / Q000191:economics; D009726:Nurses; D015203:Reproducibility of Results; D012134:Respiratory Protective Devices / Q000191:economics