FURU, K. .; AARES, E. B. .; HJELLVIK, V. .; KARLSTAD, Øystein. Hormonal contraceptive use in Norway, 2006-2020, by contraceptive type, age and county: A nationwide register-based study. Norsk Epidemiologi, [S. l.], v. 29, n. 1-2, 2021. DOI: 10.5324/nje.v29i1-2.4046. Disponível em: https://www.ntnu.no/ojs/index.php/norepid/article/view/4046. Acesso em: 7 may. 2024.