APA (7th ed.) Citation

El-Shitany, N. A., El-Hamamsy, M., Alahmadi, A. A., Eid, B. G., Neamatallah, T., Almukadi, H. S., . . . Badr-Eldin, S. M. (2021). The Impact of ABO Blood Grouping on COVID-19 Vulnerability and Seriousness: A Retrospective Cross-Sectional Controlled Study among the Arab Community. International journal of environmental research and public health, 18(1), 276. https://doi.org/10.3390/ijerph18010276

Chicago Style (17th ed.) Citation

El-Shitany, Nagla A., et al. "The Impact of ABO Blood Grouping on COVID-19 Vulnerability and Seriousness: A Retrospective Cross-Sectional Controlled Study Among the Arab Community." International Journal of Environmental Research and Public Health 18, no. 1 (2021): 276. https://doi.org/10.3390/ijerph18010276.

MLA (9th ed.) Citation

El-Shitany, Nagla A., et al. "The Impact of ABO Blood Grouping on COVID-19 Vulnerability and Seriousness: A Retrospective Cross-Sectional Controlled Study Among the Arab Community." International Journal of Environmental Research and Public Health, vol. 18, no. 1, 2021, p. 276, https://doi.org/10.3390/ijerph18010276.