@article{202209.0353, doi = {10.20944/preprints202209.0353.v1}, url = {https://doi.org/10.20944/preprints202209.0353.v1}, year = 2022, month = {September}, publisher = {Preprints}, author = {Luc Onambele and Wilfrido Ortega-Leon and Sara Guillen-Aguinaga and Maria João Forjaz and Amanuel Yoseph and Laura Guillen-Aguinaga and Rosa Alas-Brun and Alberto Arnedo-Pena and Ines Aguinaga-Ontoso and Francisco Guillen-Grima}, title = {Maternal Mortality in Africa (Part I), Regional Trends (1990-2015)}, journal = {Preprints} }