目的评价普通超声探头引导经皮经肝胆管穿刺置管引流术（PTCD）的临床价值。

Objective To evaluate clinical value of PTCD wi th common ultrasonic transducer.

youdao

目的评价普通超声探头引导经皮经肝胆管穿刺置管引流术（PTCD）的临床价值。

Objective To evaluate clinical value of PTCD wi th common ultrasonic transducer.

youdao