APA Citation

Ismail, N. (2022). Association of smoking and severity of Covid-19 infection among 5,889 patients in Malaysia: A multi-center observational study. Elsevier B.V.

Chicago Style Citation

Ismail, Norliana. Association of Smoking and Severity of Covid-19 Infection Among 5,889 Patients in Malaysia: A Multi-center Observational Study. Elsevier B.V, 2022.

MLA Citation

Ismail, Norliana. Association of Smoking and Severity of Covid-19 Infection Among 5,889 Patients in Malaysia: A Multi-center Observational Study. Elsevier B.V, 2022.

Warning: These citations may not always be 100% accurate.