Media type: E-Article Title: Forord Contributor: Lund-Larsen, Per G.; Nelson, Ellen Published: Norwegian University of Science and Technology (NTNU) Library, 2011 Published in: Norsk Epidemiologi, 13 (2011) 1 Language: Not determined DOI: 10.5324/nje.v13i1.303 ISSN: 0803-2491 Keywords: Epidemiology Origination: Footnote: Description: <jats:p>-</jats:p> Access State: Open Access