COVID-19: uncertainties from conception to birth - Carvalho, Bruno Ramalho de; Adami, Karina de Sá; Gonçalves-Ferri, Walusa Assad; Samama, Marise; Ferriani, Rui Alberto; Marcolin, Alessandra Cristina (Revista Brasileira de Ginecologia e Obstetrícia, 2021)