title: Maintaining first aid skills, a question of time?
authors.forename: S
authors.initials: S
authors.lastname: Pettifer
mesh_terms: D016887:Cardiopulmonary Resuscitation; D002568:Certification; D004509:Education, Nursing, Continuing; D005392:First Aid; D006801:Humans; D009785:Occupational Health Nursing / Q000193:education* / Q000592:standards*; D012189:Retrospective Studies