so we have worked on an option that we have, we can off here now actually, which is called vantas. and its fda approval is for men with prostate cancer, but this has been used successful by pediatric endocrinologists taking care of kids like daniel, and it seems to work just as well, and it is a lot less expensive. and so, you know, vantas is not... it's not approved for alildren, but none of these medications are ac approved for use in this situation. >> for all? >> for any of these. >> for any of them, okay. >> we have a lot of experience in pediatric endocrilogy using pubertal blockers, and from all the eviden we have, they are generally a very safe medication. t the concerns with this population are just different because we're using tha little different age and for a different purpose. so whether iis having any negative effect on their adult bone density or their neurologic development i think is... we don't know. i much prefer to take care of conditions that have been well-researched and well-studied for 50 years, and that is not the case here. we just really need good resear