ICH: Q 4 B Annex 3: To note for evaluation and recommendation of pharmacopoeial texts for use in the ich regions on test for particulate contamination: Sub-visible particles general chapter - Step 3(ICH：Q4B附件3：关于ICH地区使用的药典文本关于颗粒污染测试的评估和建议的说明：亚可见颗粒一般章节-步骤3)