@book{World Bank2019,
author = {World Bank},
title= {Trends in maternal mortality 2000 to 2017},
year = {2019},
URL = {http://documents.worldbank.org/curated/en/793971568908763231/Trends-in-maternal-mortality-2000-to-2017-Estimates-by-WHO-UNICEF-UNFPA-World-Bank-Group-and-the-United-Nations-Population-Division },
address = {New York},
publisher = {The World Bank},
series = {Estimates by WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division 141927},
}