| 1/2 | US=28 / Urologia Crispen PL, Chawla SN, Uzzo RG. Active surveillance of localized renal tumors. In: Bukowski RM, Novick AC. Clinical management of renal tumors. New Jersey: Humana Press, 2008. p. 159-76. ISBN 978-1-58829-251-3. |
| 2/2 | US=28 / Urologia Crispen PL, Chawla SN, Uzzo RG. Active surveillance of localized renal tumors. In: Bukowski RM, Novick AC. Clinical management of renal tumors. New Jersey: Humana Press, 2008. p. 159-76. ISBN 978-1-58829-251-3. |