World Health Organization Evaluation of certain food additives and contaminants firty-first report of the joint FAO/WHO expert committee on food additives - - Geneva WHO 1993 - 53p. 26cm. - WHO technical report series no;837 . Food contamination, Food additives - - toxicity ISBN: 92 4 120837 6 Subjects--Topical Terms: Food additives - - toxicityFood contamination Dewey Class. No.: SERIALS / WHO