Artikkeliväitöskirjan yhteenveto-osa ja 4 eripainosta.
Department of General Practice and Primary Health Care Institute of Clinical Medicine of Faculty of Medicine, University of Helsinki & THL - National Institute for Health and Welfare Helsinki, Finland & Conmedic Ltd. Espoo, Finland
Department of General Practice and Primary Health Care Institute of Clinical Medicine of Faculty of Medicine, University of Helsinki & THL - National Institute for Health and Welfare Helsinki, Finland & Conmedic Ltd. Espoo, Finland