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"A guide to the provision of oxygen in first aid and emergency care. By John Lippmann Published:2002 The on scene management of emergencies by providing supplemental oxygen is an area of great importance for those providing first aid, especially to victims of submersion, scuba diving accidents, heart attack, stroke and a broad array"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.scubadoctor.com.au/diveshop/index.php?main_page=product_info&cPath=171_172_174&products_id=1333>