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Itisknownthatradiationcouldcausebonemarrowaplasiaanddelaywoundhealing．Topromotecellularproliferationandbloodrecoveryare２majorgoalsinthetreatmentofradiationinjury．Wehaveobservedthattheexpressionofnervegrowthfactor（NGF）genedecreasedgreatlyinthewoundtis
Itisknownthatradiationcouldcausebonemarrowaplasiaanddelaywoundhealing. Topromotecellularproliferationandbloodrecoveryare2majorgoalsinthetreatmentofradiationinjury. Wehaveobservedthatofexpressionofnervegrowthfactor (NGF) genedecreasedgreatlyinthewoundtis