Association between maternal exposure to air pollution before conception and sex determination in the city of São Paulo - Carvalho, Mariana Azevedo; Hettfleisch, Karen; Rodrigues, Agatha S; Benachi, Alexandra; Vieira, Sandra Elisabete; Saldiva, Silvia R. D. M; Saldiva, Paulo Hilário Nascimento; Francisco, Rossana Pulcineli Vieira; Bernardes, Lisandra Stein (Air quality atmosphere and health, 2020)