Tekdos Demircioglu D, Karabulut D, Kasapoglu P, Canbolat Unlu E, Kart Yasar K, Isıksacan N. The effect of vitamin K1 and vitamin K2 on mortality rate and disease severity in COVID-19 patients: An observational study: Vitamin K and COVID-19 outcomes. J Surg Med [Internet]. 2025 Sep. 4 [cited 2025 Dec. 19];9(9):149-53. Available from: https://jsurgmed.com/article/view/8106