Oscillation of high energy neutrinos in choked GRBs Andrés Felipe Osorio Oliveros, Sarira Sahu and Juan Carlos Sanabria Eur. Phys. J. C, 73 9 (2013) 2574 Published online: 24 September 2013 DOI: 10.1140/epjc/s10052-013-2574-8