Arican, S., Hacibeyoglu, G., Cicekci, F., Topbal, I. and Sinan Iyisoy, M. (2021) “Is vitamin D deficiency associated with mortality in intensive care patients? an observational retrospective study ”, Annals of Medical Research, 25(3), pp. 0380–0385. Available at: http://annalsmedres.org/index.php/aomr/article/view/1469 (Accessed: 22 July 2024).