Standard 19 : An object or quality or measure serving as a basis or example or principle to which others conform or by which others conform or should conform or by which the accuracy or quality of others is judged
Health Disaster Management: Guidelines for Evaluation and Research in the Utstein Style. Disaster Terminology Disaster Medicine and Management (Prehospital and Disaster Medcine); and Debacker, Domres, and de Boer's, Glossary of New Concepts in Disaster Medicine, USA 2002. http://www.wadem.org/guidelines/glossary.pdf, (Hlth Dzstr Mgt - Amer) {83}