00505 a2200145 4500020001500000082001700015245013400032260005000166300002100216440003600237650003400273650001700307650002000324650001500344 a9241208961 a615.954bEVA aEvaluation of certain food additives and contaminantsbfifty-third report of the joint FAO/WHO expert committee on food additives aGenevabWorld Health Organizationc2000g2000 aviii,128p.c24cm aWHO technical report series 896 aPharmacology and therapeutics aFood poisons aOrganic poisons aToxicology