Mortality in children under five years old in Brazil: evolution from 2017 to 2020 and the influence of COVID-19 in 2020 Erly C. Moura; Juan Cortez-Escalante; Rodrigo T.S. Lima; Fabrício V. Cavalcante; Layana C. Alves; Leonor M.P. Santos;

Red reflex test at the maternity hospital: results from a tertiary hospital and variables associated with inconclusive test results Vinicius Mac Cord Lanes Baldino; Gabriela Unchalo Eckert; Juliana Rossatto; Mário Bernardes Wagner;

Low back pain in adolescents and association with sociodemographic factors, electronic devices, physical activity and mental health Thiago Paulo Frascareli Bento; Guilherme Porfirio Cornelio; Priscila de Oliveira Perrucini; Sandra Fiorelli Almeida Penteado Simeão; Marta Helena Souza de Conti; Alberto de Vitta;