Tayyem, R. F.; Ahmad, I. M.; Shehadah, I.; Bani-Hani, K.; Al-Jaberi, T.; Al-Nusairr, M. Glutathione, Vitamin D and Antioxidant Status in the Blood of Patients With Colorectal Cancer: A Pilot Study. Pak. J. Nutr. 2014, 14 (1), 13–17. https://doi.org/10.3923/pjn.2015.13.17.