TY - JOUR T1 - On the Ipoh or Upas Poison Used by the Jacoons and Other Aboriginal Tribes of the Malay Peninsula JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 127 SP - 427 EP - 429 PY - 1837/01/01/ UR - http://dx.doi.org/10.1098/rstl.1837.0025 M3 - doi:10.1098/rstl.1837.0025 AU - Newbold, T. ER -