www.ncbi.nlm.nih.gov
PubMed, National Library of Medecine

www.iarc.fr
International Agency for Research on Cancer

www.cancer.gov
National Cancer Institute

www.blackwellpublishing.com
British Journal of Urology International

www.jurology.com
Journal of Urology

www.siu.it
Società Italiana di Urologia

www.siuro.it
Società Italiana di Urologia Oncologica

www.auanet.org
American Urological Association

www.uroweb.org
European Association of Urology

www.siu-urology.org
Société Internationale d'Urologie

www.eortc.be
European Organisation for Research and Treatment of Cancer

www.bladder.org
National Bladder Foundation

www.who.it
Organizzazione mondiale della sanità

www.sanita.it
Ministero della sanità