Citação norma APA

Cheung, K. S., Hung, I. F., & Leung, W. K. (2021). Association Between Famotidine Use and COVID-19 Severity in Hong Kong: A Territory-wide Study. Gastroenterology.

Citação norma Chicago

Cheung, Ka Shing, Ivan F.N Hung, and Wai K. Leung. "Association Between Famotidine Use and COVID-19 Severity in Hong Kong: A Territory-wide Study." Gastroenterology 2021.

Citação norma MLA

Cheung, Ka Shing, Ivan F.N Hung, and Wai K. Leung. "Association Between Famotidine Use and COVID-19 Severity in Hong Kong: A Territory-wide Study." Gastroenterology 2021.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.