Rates of Maternal and Perinatal Mortality and Vertical Transmission in Pregnancies Complicated by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-Co-V-2) Infection: A Systematic Review - Delgado, Alexandre; Santos Lira, Lara Caline; Soligo Takemoto, Maira Libertad; Katz, Leila; Amorim, Melania Maria (Wolters Kluwer, 2020)