患儿男，9岁。发热、面色苍白3周。查体：全身浅表淋巴结肿大，肝肋下4cm，脾肋下2cm。为明确诊断，最主要的检査是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28019' and id < 2297815 and id<>'2297815' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28019' and id > 2297815 and id<>'2297815' order by id asc limit 5