行阴道脱落细胞检査体内雌激素水平时，最 合适的取材部位是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25957' and id < 2176981 and id<>'2176981' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25957' and id > 2176981 and id<>'2176981' order by id asc limit 5