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我科于1991年1月至1994年5月应用自制的上颌窦半自动拉钩座,施上颌窦手术37例,显示了手工拉钩所没有的许多优越性。报告如下。
Our department in January 1991 to May 1994 application of self-made maxillary sinus semi-automatic retractor, implanted maxillary sinus surgery in 37 cases, showing the manual hooks do not have many advantages. The report is as follows.