Dey, Joyoti and Ditzler, Sally and Knoblaugh, Sue E and Hatton, Beryl A and Schelter, Janell and Cleary, Michele and Mecham, Brig and Rorke-Adams, Lucy B and Olson, James M Oncogenic mutation in Smoothened causes severe cerebellar developmental defects and medulloblastoma in mice. (Unpublished)