多层螺旋ct和磁共振都是无创性的，性价比较高的心脏导管诊断冠心病的替代技术。
Multislice ct and MRI have been proposed as noninvasive, cost-effective alternatives to catheterization for diagnosing CAD.
结论腮腺主导管及深叶的保留与腮腺肿瘤的复发无内在联系。
Conclusion the recurrence of parotid tumor had no relation to the retaining parotid master duct and deep lobe.
无器质性心脏病基础的阵发性心房颤动(房颤)作为房颤导管消融治疗的适应证已经被公认。
It is generally accepted that catheter ablation is indicated to paroxysmal atrial fibrillation patients without organic heart disease.
导管分子很短，单穿孔，无穿孔的输水分子具单纹孔；
Tracheal element is very short, sheet is perforative, have odd grain opening without perforative element is defeated by water;
导管分子很短，单穿孔，无穿孔的输水分子具单纹孔；
Tracheal element is very short, sheet is perforative, have odd grain opening without perforative element is defeated by water;
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