00504    a2200145   4500020001500000082001700015245013400032260005000166300002000216440003600236650003400272650001700306650002000323650001500343  a9241208848  a615.954bEVA  aEvaluation of certain food additives and contaminantsbForty-ninth report of the joint FAO/WHO expert committee on food additives  aGenevabWorld Health Organizationc1999g1999  aviii,96p.c24cm  aWHO technical report series 884  aPharmacology and therapeutics  aFood poisons  aOrganic poisons  aToxicology