Portali

Nephron (www.nephron.com)

Dialysis On-line (he.net/~brumley/renal/index.html)

Renal Web (www.renalweb.com)

Nephronline (www.nephronline.org)

Nephroworld (www.nephroworld.com)

Renal Net (www.renalnet.org)

EpoWeb (www.epoweb.com)

Mundi Dial S. L. (www.dialyse-teneriffa.com)