1. Kopple, J., Massry, S. & Kalantar-Zadeh, K. Nutritional Management of Renal Disease. 3rd edn, 1–48 (Lippincott Williams & Wilkins, 2012).
2. de Wardener, H. E. The control of sodium excretion. Am. J. Physiol. 235, F163–F173 (1978).
3. Weiner, I. D., Mitch, W. E. & Sands, J. M. Urea and ammonia metabolism and the control of renal nitrogen excretion. Clin. J. Am. Soc. Nephrol. 10, 1444–1458 (2015).
4. Triplitt, C. L. Understanding the kidneys’ role in blood glucose regulation. Am. J. Manag. Care 18, S11–S16 (2012).
5. Gerich, J. E. Role of the kidney in normal glucose homeostasis and in the hyperglycaemia of diabetes mellitus: therapeutic implications. Diabet. Med. 27, 136–142 (2010).