RØNNING, M. Coding and classification in drug statistics – From national to global application. Norsk Epidemiologi, [S. l.], v. 11, n. 1, 2009. DOI: 10.5324/nje.v11i1.532. Disponível em: https://www.ntnu.no/ojs/index.php/norepid/article/view/532. Acesso em: 25 apr. 2024.