Use of polymer gel for bypassing the stereotactic imaging step prior Gamma Knife radiosurgery in small animalsG. Charest, D. Mathieu, M. Lepage, D. Fortin, B. Paquette and L. SancheRadioprotection, 43 5 (2008) 149DOI: https://doi.org/10.1051/radiopro:2008584