Goktas, O. Et Al. 2022. Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study. Journal of the Pakistan Medical Association , vol.72, no.9 , 1779-1782.

Goktas, O., ERCAN, İ., ERSOY, C., Uzunoglu, A., & Can, F. E., (2022). Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study. Journal of the Pakistan Medical Association , vol.72, no.9, 1779-1782.

Goktas, Olgun Et Al. "Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study," Journal of the Pakistan Medical Association , vol.72, no.9, 1779-1782, 2022

Goktas, Olgun Et Al. "Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study." Journal of the Pakistan Medical Association , vol.72, no.9, pp.1779-1782, 2022

Goktas, O. Et Al. (2022) . "Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study." Journal of the Pakistan Medical Association , vol.72, no.9, pp.1779-1782.

@article{article, author={Olgun Goktas Et Al. }, title={Does vitamin D level have an effect on COVID-19 positivity and COVID-19 related mortality? A retrospective study}, journal={Journal of the Pakistan Medical Association}, year=2022, pages={1779-1782} }