TY - JOUR T1 - Cellular Immunity: Observations on Natural and Acquired Immunity to Cobra Venom JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 92 IS - 643 SP - 81 EP - 101 PY - 1921/02/01/ UR - http://dx.doi.org/10.1098/rspb.1921.0007 M3 - doi:10.1098/rspb.1921.0007 AU - Gunn, J. AU - Heathcote, R. ER -