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GB/T 21311-2007
动物源性食品中硝基呋喃类药物代谢物残留量检测方法 高效液相色谱/串联质谱法
Determination of residues of nitrofuran metabolites in foodstuffs of animal origin HPLC-MS/MS method
GB/T 21715.3-2008
Health informatics - Patient healthcard data - Part 3: Limited clinical data