APA (7th ed.) Citation

(2020). Serum levels of vitamin C and vitamin D in a cohort of critically ill COVID-19 patients of a north American community hospital intensive care unit in may 2020. A pilot study.

Chicago Style (17th ed.) Citation

Serum Levels of Vitamin C and Vitamin D in a Cohort of Critically Ill COVID-19 Patients of a North American Community Hospital Intensive Care Unit in May 2020. A Pilot Study. 2020.

MLA (8th ed.) Citation

Serum Levels of Vitamin C and Vitamin D in a Cohort of Critically Ill COVID-19 Patients of a North American Community Hospital Intensive Care Unit in May 2020. A Pilot Study. 2020.

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