title: Effect of closure of holes in air entrainment oxygen masks.
authors.forename: R J
authors.initials: RJ
authors.lastname: Ebert
authors.forename: C B
authors.initials: CB
authors.lastname: Dominy
authors.forename: W B
authors.initials: WB
authors.lastname: Murray
mesh_terms: D006801:Humans; D008397:Masks / Q000592:standards* / Q000706:statistics & numerical data; D010100:Oxygen / Q000032:analysis; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*
chemical_list: D010100:Oxygen