APA (7th ed.) Citation

Ceolin, C., Vergadoro, M., Simonato, C., Cazzavillan, S., Papa, M. V., Trapella, G. S., . . . Rui, M. D. Impact of vitamin D levels on mortality in older covid-19 vaccinated patients. BMC.

Chicago Style (17th ed.) Citation

Ceolin, Chiara, et al. Impact of Vitamin D Levels on Mortality in Older Covid-19 Vaccinated Patients. BMC.

MLA (9th ed.) Citation

Ceolin, Chiara, et al. Impact of Vitamin D Levels on Mortality in Older Covid-19 Vaccinated Patients. BMC.

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