主动脉瓣狭窄主要由风湿性主动脉炎引起，X线显示心脏呈“靴形”。 ( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31091' and id < 2501216 and id<>'2501216' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31091' and id > 2501216 and id<>'2501216' order by id asc limit 5