Review on requirements of drug allergy or pseudoallergic reactions in pre-clinical evaluation Nested case control study to analyze suspected cases and their related factors of allargic reactions to parenterally administered Dengzhan Xixin Method and meaning research on skin-test of four injections of traditional Chinese medicine Shuxuetong injection-based on nested case-control study of blood through injection suspect allergic reaction influencing factors Influence of solvent and drug preparation time on Shuanghuanglian injections induce pseudo-allergic reaction Evaluation and study of pseudo-allergic reactions of three kinds of traditional Chinese medicine injections and its mechanisms Material and mechanisms induced pseudo allergicreactions of Yuxingcao injection