- 问题详情:TheresultsofanadmittedlysmallbuttellingnewstudysuggestthatMedicareandotherinsurescouldbespendingbillionsofdollarsonscreening(拍片检查)smokersforlungcancerthatwouldbebetterspentonhelpingthemquitandkeepingothersfromstarting. Thenewstudyindicate...
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