Christopher A Callahan

Canonical hedgehog signaling augments tumor angiogenesis by induction of VEGF-A in stromal perivascular cells

Stephen Gould, Zora Modrusan, Z. Modrušan, 2011, Proceedings of the National Academy of Sciences.

Treatment of medulloblastoma with hedgehog pathway inhibitor GDC-0449.

Jeremy Stinson, C. Rudin, P. LoRusso, 2009, The New England journal of medicine.