嗜铬细胞瘤术前药物准备用（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32118' and id < 2562742 and id<>'2562742' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32118' and id > 2562742 and id<>'2562742' order by id asc limit 5