00486    a2200169   4500020001500000082001600015100002800031245004900059260004000108300001900148650001700167650002300184650001500207650003600222700002800258700003000286  a0803124791  a571.95bENV  aLittle, Edward E. eed.  aEnvironmental toxicology and risk assessment  aWest ConshohockenbASTMc1998g1998  aix,418p.c23cm  aLife science  aDiseases pathology  aToxicology  aPhysiology and related subjects  aDelonay, Aaron J. eed.  aGreenberg, Bruce M. eed.