. 2016 Apr 15;18(4):316–319. [Article in Chinese] doi: 10.7499/j.issn.1008-8830.2016.04.007
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3组患儿随访1年咳喘次数和总花费的比较 (x±s)
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3组患儿随访1年咳喘次数和总花费的比较 (x±s)
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