title: ELPAT Program. Background and current status.
authors.forename: C A
authors.initials: CA
authors.lastname: Esche
authors.forename: H A
authors.initials: HA
authors.lastname: Feng
mesh_terms: D004784:Environmental Monitoring / Q000592:standards*; D006801:Humans; D007753:Laboratories / Q000592:standards*; D007854:Lead / Q000032:analysis*; D016272:Occupational Health; D012015:Reference Standards; D014481:United States
chemical_list: D007854:Lead