title: Ultratrace elements of possible importance for human health: an update.
authors.affiliation: United States Department of Agriculture, Grand Forks Human Nutrition Research Center, ND 58202.
authors.forename: F H
authors.initials: FH
authors.lastname: Nielsen
mesh_terms: D000818:Animals; D001151:Arsenic / Q000172:deficiency / Q000502:physiology; D001895:Boron / Q000172:deficiency / Q000502:physiology; D001966:Bromine / Q000502:physiology; D006801:Humans; D007854:Lead / Q000502:physiology; D008982:Molybdenum / Q000502:physiology; D009532:Nickel / Q000172:deficiency / Q000502:physiology; D012825:Silicon / Q000172:deficiency / Q000502:physiology; D014001:Tin / Q000502:physiology; D014131:Trace Elements / Q000172:deficiency / Q000502:physiology*; D014639:Vanadium / Q000172:deficiency / Q000502:physiology
chemical_list: D014131:Trace Elements; D014639:Vanadium; D007854:Lead; D014001:Tin; D009532:Nickel; D008982:Molybdenum; D001151:Arsenic; D001895:Boron; D001966:Bromine; D012825:Silicon