title: The tasks of epidemiology. IEA presidential address.
authors.affiliation: Dept. of Community Medicine, United Medical School, St. Thomas's Hospital Campus, London, United Kingdom.
authors.forename: W W
authors.initials: WW
authors.lastname: Holland
mesh_terms: D003140:Communicable Disease Control / Q000639:trends; D004813:Epidemiology / Q000639:trends*; D005544:Forecasting; D006266:Health Education; D006302:Health Services Research; D006801:Humans; D009026:Mortality