Low Sodium
https://my.clevelandclinic.org/health/articles/your-sodium-controlled-diet
https://www.kidney.org/atoz/content/sodiumckd
Low Phosphorus
http://www.mayoclinic.org/food-and-nutrition/expert-answers/faq-20058408
https://www.kidney.org/atoz/content/phosphorus
Kidney Stones
https://www.niddk.nih.gov/health-information/urologic-diseases/kidney-stones/eating-diet-nutrition
https://www.kidney.org/atoz/content/diet