ARROYO-SANCHEZ, Abel Salvador; MARRUFFO CHIRINOS, María Fernanda; MENDIBURU EGUSQUIZA, Tania  and  PAREDES RODRIGUEZ, Brenda. Pregnant women with coronavirus disease 2019 and intrauterine vertical transmission: a systematic review. Rev. peru. ginecol. obstet. [online]. 2020, vol.66, n.3. ISSN 2304-5132.