RIOS-GONZÁLEZ, C. M.; PALACIOS, J. M. Symptoms of Anxiety and depression during the outbreak of COVID-19 in Paraguay. SciELO Preprints, 2020. DOI: 10.1590/SciELOPreprints.152. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/152. Acesso em: 26 mar. 2023.