Evaluation of certain veterinary drug residues in food : fiftieth report of the joint FAO/WHO Export committee on food additives/ Food & agricultrure organisation/ world health organisation - GENEVA WHO 1999 - vii,95p; ill ISBN: 9241208880 Subjects--Topical Terms: food contaminationDrug residuess- analysis LC Class. No.: 8RA1270.F4.E8 1999