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Enter search terms to find related medical topics, multimedia and more.
• Use “ “ for phrases o [ “pediatric abdominal pain” ] • Use – to remove results with certain terms o [ “abdominal pain” –pediatric ] • Use OR to account for alternate terms o [teenager OR adolescent ]
这个立体图像显示的是心脏瓣膜上的附着物（沉积的细菌和血栓）。
