title: [Pattern of decrease of blood lead levels in the population of Costa Rica].
authors.affiliation: Laboratorio de Nefrología e Investigación Clínica del Hospital San Juan de Dios, San José, Costa Rica.
authors.forename: Marta
authors.initials: M
authors.lastname: Sánchez-Molina
authors.forename: Juan Carlos
authors.initials: JC
authors.lastname: Rojas-Carrión
mesh_terms: D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003364:Costa Rica / Q000453:epidemiology; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000097:blood / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged
chemical_list: D007854:Lead