Ana Cecilia Amado Xavier de Oliveira & Francisco José Roma Paumgartten. (2021). Ethical issues in placebo-controlled trials of COVID-19 vaccines. Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz.
Chicago Style (17th ed.) CitationAna Cecilia Amado Xavier de Oliveira and Francisco José Roma Paumgartten. Ethical Issues in Placebo-controlled Trials of COVID-19 Vaccines. Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, 2021.
MLA (9th ed.) CitationAna Cecilia Amado Xavier de Oliveira and Francisco José Roma Paumgartten. Ethical Issues in Placebo-controlled Trials of COVID-19 Vaccines. Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, 2021.
Warning: These citations may not always be 100% accurate.