https://healthchocoholic.com/2017/04/06/cocoachocolatecacaodark-chocolate-flavanols-help-chronic-kidney-patients-with-end-state-renal-diseaseesrd-says-nephrologymedical-journal-study-runa-west-virginia/
Dark Chocolate Flavanols Help Chronic Kidney Patients With ESRD Says Nephrology Journal Study Runa, West Virginia