Akash Nayak Karopadi, Giacomo Mason e Enrico Rettore, Cost of peritoneal dialysis and haemodialysis across the world, in Nephrology, Dialysis, Transplantation: Official Publication of the European Dialysis and Transplant Association - European Renal Association, vol. 28, n. 10, 2013-10, pp. 2553–2569, DOI:10.1093/ndt/gft214. URL consultato il 24 giugno 2020.
Akash Nayak Karopadi, Giacomo Mason e Enrico Rettore, Cost of peritoneal dialysis and haemodialysis across the world, in Nephrology, Dialysis, Transplantation: Official Publication of the European Dialysis and Transplant Association - European Renal Association, vol. 28, n. 10, 2013-10, pp. 2553–2569, DOI:10.1093/ndt/gft214. URL consultato il 24 giugno 2020.