00376nas a22001217a 4500008004100000022001400041245004700055260005600102300000900158546001100167650001500178856006100193130304t20009999sz ||||| |||| 00| 0 eng d  a1020-6167  aInternational Programme on Chemical Safety  aGinebra:bOrganización Mundial de la Salud,c2000  av. :  aingles  aBIOQUIMICA  uhttp://www.who.int/ipcs/publications/cicad/en/index.html