APA引文

Cao, B., Wang, Y., Wen, D., Liu, W., Wang, J., Fan, G., . . . al, E. (2020). A trial of lopinavir-ritonavir in adults hospitalized with severe Covid-19. Massachusetts Medical Society.

Chicago Style (17th ed.) Citation

Cao, B., et al. A Trial of Lopinavir-ritonavir in Adults Hospitalized with Severe Covid-19. Massachusetts Medical Society, 2020.

MLA引文

Cao, B., et al. A Trial of Lopinavir-ritonavir in Adults Hospitalized with Severe Covid-19. Massachusetts Medical Society, 2020.