” 美国等发达国家将产科超声检查分为二个层次:一个层次是常规超声检查(routine ultrasound examination)，另一个 层次是以检测胎儿畸形为目的超声检查（targeted imaging for fetal anomalies，TIFFA）。
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...实际也是分歧常情道理的” 在usa等发财国度将产科超声查抄分为二个条理，1个条理是通例超声查抄(routine ultrasound examination)，另外1个条理是以检验测定胎儿畸形为目的超声查抄（targeted imaging for fetal anomalies，TIFFA）当通例超声查抄思疑有异样，...
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Methods: 298 patients with clinically proved clonorchiasis were given routine ultrasound examination of liver and gall, and analyzed the ultrasonic imaging characteristics.
方法：对临床已确诊为华支睾吸虫病的2 98例患者进行肝胆超声检查，观察其声像图特征。
Periodic and routine gynecological check as well as B ultrasound examination are significant to the early diagnosis of PT after menopause, thus can avoid benign tumors to turn to malignancy.
定期常规妇科检查及B超检查对绝经后盆腔肿瘤的早期诊治、防止恶变，从而保证老年妇女身体健康有重要意义。
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