Changes in body weight in the NutriNet Brasil cohort during the covid-19 pandemic. SciELO Preprints, 2021. DOI: 10.1590/SciELOPreprints.1667. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/1667. Acesso em: 6 nov. 2026.