title: A simple underwater seal apparatus for use in emergencies.
authors.forename: J G
authors.initials: JG
authors.lastname: Brock-Utne
authors.forename: J B
authors.initials: JB
authors.lastname: Brodsky
authors.forename: G
authors.initials: G
authors.lastname: Haddow
authors.forename: J B
authors.initials: JB
authors.lastname: Mark
mesh_terms: D002404:Catheterization / Q000295:instrumentation; D004322:Drainage / Q000295:instrumentation*; D004630:Emergencies; D004867:Equipment Design; D006801:Humans; D011030:Pneumothorax / Q000601:surgery*