Kvåle G, Olsen BE, Hinderaker SG, Ulstein M, Bergsjø P. Maternal deaths in developing countries: A preventable tragedy. Nor J Epidemiol [Internet]. 2009Oct.9 [cited 2024Nov.26];15(2). Available from: https://www.ntnu.no/ojs/index.php/norepid/article/view/212