History of maternal mortality in the city of Ribeirão Preto, in its Regional Health Department, and in the state of São Paulo after the establishment of the maternal committees from 1998 to 2017 - Berezowski, Aderson Tadeu; Rodrigues Junior, Antonio Luiz (Revista Brasileira de Ginecologia e Obstetrícia / RBGO Gynecology and Obstetrics, 2021)