女孩，7个月。因逗笑少，对玩具不感兴趣，矮小，而去医院要求检査，医生疑为智能低下。对其病因如先天性甲状腺功能低下未能肯定，如需确诊，进一步应做的实验室检查是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28717' and id < 2342423 and id<>'2342423' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28717' and id > 2342423 and id<>'2342423' order by id asc limit 5