Vasco Ricoca Peixoto, André Vieira, Pedro Aguiar, Alexis Sentis, Carlos Carvalho, Daniel Rhys Thomas, . . . Carla Nunes. (2023). COVID-19 surveillance: Large decrease in clinical notifications and epidemiological investigation questionnaires for laboratory-confirmed cases after the 2nd epidemic wave, Portugal March 2020-July 2021. Frontiers Media S.A..
Chicago Style (17. basım) AtıfVasco Ricoca Peixoto, André Vieira, Pedro Aguiar, Alexis Sentis, Carlos Carvalho, Daniel Rhys Thomas, Alexandre Abrantes, ve Carla Nunes. COVID-19 Surveillance: Large Decrease in Clinical Notifications and Epidemiological Investigation Questionnaires for Laboratory-confirmed Cases After the 2nd Epidemic Wave, Portugal March 2020-July 2021. Frontiers Media S.A., 2023.
MLA (9th ed.) AtıfVasco Ricoca Peixoto, et al. COVID-19 Surveillance: Large Decrease in Clinical Notifications and Epidemiological Investigation Questionnaires for Laboratory-confirmed Cases After the 2nd Epidemic Wave, Portugal March 2020-July 2021. Frontiers Media S.A., 2023.