Ashor, A. W., Shannon, O. M., Werner, A.-D., Scialo, F., Gilliard, C. N., Cassel, K. S., Seal, C. J., Zheng, D., Mathers, J. C., & Siervo, M. (2019). Effects of inorganic nitrate and vitamin C co-supplementation on blood pressure and vascular function in younger and older healthy adults: A randomised double-blind crossover trial. Clinical Nutrition, https://doi.org/10.1016/j.clnu.2019.03.006