支气管哮喘与心源性哮喘一时难以鉴别时，应采用 下列哪种药物治疗(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26321' and id < 2201345 and id<>'2201345' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26321' and id > 2201345 and id<>'2201345' order by id asc limit 5