title: Objective description of mask ventilation.
authors.affiliation: Concord, Australia karsoonlim@gmail.com.
authors.forename: K S
authors.initials: KS
authors.lastname: Lim
authors.affiliation: Concord, Australia.
authors.forename: J R
authors.initials: JR
authors.lastname: Nielsen
mesh_terms: D006801:Humans; D017214:Laryngeal Masks; D012121:Respiration, Artificial / Q000295:instrumentation* / Q000379:methods