title: Basic cardiac life support (BCLS).
authors.affiliation: Emergency Medicine, Singapore General Hospital.
authors.forename: S H
authors.initials: SH
authors.lastname: Lim
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000175:diagnosis / Q000628:therapy*; D016887:Cardiopulmonary Resuscitation / Q000379:methods; D006801:Humans; D011187:Posture