Objective To study the diagnostic value of atelectasis by type-B ultrasonography.
目的探讨B型超声对肺不张的诊断价值。
METHODS: Gastric emptying times were observed by type-B ultrasonography after ingestion of liquid meal.
方法：以牛奶作为胃液体试验餐，采用实时超声测定液体胃排空。
To evaluate the diagnostic value and clinical signification of ultrasonography type B on the uremia.
目的： 探讨应用B型超声对尿毒症病因诊断价值及临床意义。
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