Marques, J. G. (2021). The EU Digital COVID Certificate: Should We Differentiate Between Previously Infected and Fully Vaccinated People? Ordem dos Médicos.
Chicago Style (17th ed.) CitationMarques, José Gonçalo. The EU Digital COVID Certificate: Should We Differentiate Between Previously Infected and Fully Vaccinated People? Ordem dos Médicos, 2021.
MLA (8th ed.) CitationMarques, José Gonçalo. The EU Digital COVID Certificate: Should We Differentiate Between Previously Infected and Fully Vaccinated People? Ordem dos Médicos, 2021.
Warning: These citations may not always be 100% accurate.