World Health Organization. Maternal and Perinatal Death Surveillance and Response: Overview. Accessed June 3, 2024. https://www.who.int/teams/maternal-newborn-child-adolescent-health-and-ageing/maternal-health/maternal-and-perinatal-death-surveillanceand-response
World Health Organization. Maternal Death Surveillance and Response: Technical Guidance Information for Action to Prevent Maternal Death. 2013. Accessed June 3, 2024. https://www.who.int/publications/i/item/9789241506083
World Health Organization. Maternal and Perinatal Death Surveillance and Response: Materials to Support Implementation. 2021. Accessed June 3, 2024. https://www.who.int/publications/i/item/9789240036666