De Lusignan, S., Dorward, J., Correa, A., Jones, N., Ferreira, F., Hobbs, F., & al, E. (2020). Risk factors for SARS-CoV-2 among patients in the Oxford Royal College of General Practitioners Research and Surveillance Centre primary care network: A cross-sectional study. Elsevier.
Παραπομπή σε μορφή Chicago (17η εκδ.)De Lusignan, S., J. Dorward, A. Correa, N. Jones, F. Ferreira, F. Hobbs, και Et al. Risk Factors for SARS-CoV-2 Among Patients in the Oxford Royal College of General Practitioners Research and Surveillance Centre Primary Care Network: A Cross-sectional Study. Elsevier, 2020.
Παραπομπή σε μορφή MLA (9th εκδ.)De Lusignan, S., et al. Risk Factors for SARS-CoV-2 Among Patients in the Oxford Royal College of General Practitioners Research and Surveillance Centre Primary Care Network: A Cross-sectional Study. Elsevier, 2020.