TY - BOOK AU - World Health Organization TI - Evaluation of certain veterinary drug residues in food: 60th report SN - 92 4 120918 6 U1 - SERIALS PY - 2003/// CY - Geneva PB - W H O KW - Food Contamination KW - Drug Residues -Analysis N2 - Drug Residues -Analysis, Food Contamination ER -