title: Commentary: impact on health needs assessing from different angles.
authors.affiliation: Department of Public Health and Policy, Environmental Epidemiology Unit, London School of Hygiene and Tropical Medicine. Hdolk@lshtm.ac.uk
authors.forename: H
authors.initials: H
authors.lastname: Dolk
mesh_terms: D000013:Congenital Abnormalities / Q000453:epidemiology; D003625:Data Collection; D004784:Environmental Monitoring; D004787:Environmental Pollution / Q000009:adverse effects*; D062665:Epidemiological Monitoring; D006301:Health Services Needs and Demand; D006801:Humans; D014852:Wales / Q000453:epidemiology