APA (7th ed.) Citation

Carbonell, R., Urgelés, S., Rodríguez, A., Bodí, M., Martín-Loeches, I., Solé-Violán, J., . . . Moreno, G. (2021). Mortality comparison between the first and second/third waves among 3,795 critical COVID-19 patients with pneumonia admitted to the ICU: A multicentre retrospective cohort study. Elsevier.

Chicago Style (17th ed.) Citation

Carbonell, Raquel, et al. Mortality Comparison Between the First and Second/third Waves Among 3,795 Critical COVID-19 Patients with Pneumonia Admitted to the ICU: A Multicentre Retrospective Cohort Study. Elsevier, 2021.

MLA (8th ed.) Citation

Carbonell, Raquel, et al. Mortality Comparison Between the First and Second/third Waves Among 3,795 Critical COVID-19 Patients with Pneumonia Admitted to the ICU: A Multicentre Retrospective Cohort Study. Elsevier, 2021.