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Biliary drainage in inoperable malignant biliary distal obstruction: A systematic review and meta-an
BACKGROUND Endoscopic drainage remains the treatment of choice for unresectable or inoperable malignant distal biliary o......
目的探讨鼻翼缺损区皮瓣、鼻唇沟皮瓣加耳廓软骨支架行鼻翼部分缺损整复的临床应用.方法对12例因各种原因引起的全厚层鼻翼部分缺......
The present study analyzed new and recast Ni-Cr alloys, regarding the relationship between the applied force and the def......
