网络研讨会:床旁超声心动图 - 第 2 部分:多普勒原理 (20:12)

Webinar Point-of-Care Echocardiography – Part 2: Doppler Principles
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      网络研讨会:床旁超声心动图 - 第 2 部分:多普勒原理 (20:12)