“Drug Repurposing Clinical Trials in the Search for Life-Saving COVID-19 Therapies; Research Targets and Methodological and Ethical Issues”. Vigilância Sanitária Em Debate , vol. 8, nº 2, maio de 2020, p. 39-53, https://visaemdebate.incqs.fiocruz.br/index.php/visaemdebate/article/view/1596.