title: Newton valve: a word of caution.
authors.forename: V
authors.initials: V
authors.lastname: Paul
authors.forename: R
authors.initials: R
authors.lastname: Thomas
authors.forename: J
authors.initials: J
authors.lastname: Criswell
mesh_terms: D002675:Child, Preschool; D004868:Equipment Failure; D006801:Humans; D017751:Safety Management / Q000379:methods; D012122:Ventilators, Mechanical