title: Effectiveness of environmental health policies: a new frontier for epidemiologists.
authors.affiliation: Department of Environmental Health, Harvard School of Public Health, Boston, MA 02115, USA. hhu@hsph.harvard.edu
authors.forename: Howard
authors.initials: H
authors.lastname: Hu
authors.forename: Mary Jean
authors.initials: MJ
authors.lastname: Brown
mesh_terms: D002648:Child; D002675:Child, Preschool; D004782:Environmental Health / Q000331:legislation & jurisprudence*; D006291:Health Policy; D006801:Humans; D007855:Lead Poisoning / Q000517:prevention & control*; D008145:Louisiana; D010150:Paint; D011638:Public Housing