Biomarker 1 : A measurement, typically a chemical, biochemical or other biological parameter, that reflects an interaction between a living organism and an environmental agent, which could be biological, chemical or physical
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}