下列药物很难以单纯扩散的方式经胎盘进人 胎儿体内的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30852' and id < 2484854 and id<>'2484854' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30852' and id > 2484854 and id<>'2484854' order by id asc limit 5