侧路法硬膜外穿刺时，穿刺针唯一经过的 韧带为（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27186' and id < 2253263 and id<>'2253263' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27186' and id > 2253263 and id<>'2253263' order by id asc limit 5