title: A knotty problem.
authors.forename: Jayashree
authors.initials: J
authors.lastname: Raikhelkar
authors.forename: William T
authors.initials: WT
authors.lastname: Denman
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000009:adverse effects / Q000295:instrumentation*; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000295:instrumentation*; D007813:Laparotomy