A Second Class stamp http://onlinelevitra.in.net/ buy levitra online  "Clinicians caring for survivors who request information about likelihood of pregnancy or success of treatment for infertility have a paucity of data on which to base their recommendations," adds Dr Barton. "To our knowledge, ours is the first large study of female childhood cancer survivors to quantify the risk of infertility that is based on a clinical definition, and characterises the use and success of infertility treatments in this setting. These data confirm a high risk for infertility and childlessness for female cancer survivors that have received high doses of alkylating agent chemotherapy or pelvic radiation."