FURU M.FL., K. Drug use questions in Norwegian health surveys - response rate and agreement between specific and open-ended questions. Norsk Epidemiologi, [S. l.], v. 13, n. 1, 2011. DOI: 10.5324/nje.v13i1.322. Disponível em: https://www.ntnu.no/ojs/index.php/norepid/article/view/322. Acesso em: 29 apr. 2024.