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 [UNESP]; Katz, Leila; Amorim, Melania Maria (Lippincott Williams & Wilkins, 2020)