title: Surgical masks vs N95 respirators for preventing influenza.
authors.forename: Yaron
authors.initials: Y
authors.lastname: Finkelstein
authors.forename: Tal
authors.initials: T
authors.lastname: Schechter
authors.forename: Stephen B
authors.initials: SB
authors.lastname: Freedman
mesh_terms: D000336:Aerosols; D004868:Equipment Failure; D006801:Humans; D017758:Infectious Disease Transmission, Patient-to-Professional / Q000517:prevention & control*; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000517:prevention & control* / Q000635:transmission*; D008397:Masks; D009726:Nurses; D015203:Reproducibility of Results; D012134:Respiratory Protective Devices
chemical_list: D000336:Aerosols