title: Essential trace metals: new definitions based on new paradigms.
abstract: This article will concentrate on the nutritional and physiological aspects of modern trace metal research. It will try to establish meaningful relations among the research activities of the past 50 years, and to summarize the present state of knowledge as a basis for future endeavors. The discussion will address the gradual emergence during the past decades of three paradigms that can be expected to determine the directions of future research.
authors.affiliation: Department of Agriculture Human Nutrition Research Center at Beltsville, Maryland.
authors.forename: W
authors.initials: W
authors.lastname: Mertz
mesh_terms: D000818:Animals; D006801:Humans; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D012106:Research / Q000639:trends*; D014131:Trace Elements
chemical_list: D014131:Trace Elements