He discussed the issue at a support group meeting of men with dementia, and it turned out that eight of the nine men in the room with PPA had had vasectomies. 他在一次痴呆男性患者援助小组会议上对该问题进行了探讨,最终发现9名PPA男性患者中有8名患者同输精管切除术相关。
Background and Objective: Vasectomy is an effective and one of the most widely used methods of male contraception; the conventional and open-ended vasectomies are two major surgical techniques. 研究背景与目的:输精管结扎术是目前最有效和广泛开展的男性节育方法,常规输精管结扎和近端开放输精管结扎是其两种主要的手术方式。