过敏性紫癜的病因是什么？
目的：了解小儿过敏性紫癜对心脑的损害。
Objective: to study anaphylactoid purpura in children with damage of heart and brain.
目的研究幽门螺杆感染与过敏性紫癜的关系并指导治疗。
Objective to study to relationship between allergic purpura and Helicobacter pylori infection and direct therapy.
目的：为探讨柯萨奇病毒B组感染与小儿过敏性紫癜发病的关系。
Objective: To investigate the relationship between CBV infection and children allergic purpura.
目的：为探讨柯萨奇病毒B组感染与小儿过敏性紫癜发病的关系。
Objective: To investigate the relationship between CBV infection and children allergic purpura.
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