title: Surgical face masks: protection for self or patient?
authors.forename: R D
authors.initials: RD
authors.lastname: Smith
mesh_terms: D006801:Humans; D008397:Masks; D011300:Preoperative Care / Q000379:methods*; D013242:Sterilization / Q000379:methods*; D013530:Surgical Wound Infection / Q000517:prevention & control*