Significance of plasma β-catenin, transforming growth factor-β1, Clara cell secretion protein,Krebs von den Lungen-6 level changes of bronchopulmonary dysplasia premature children after birth and in different mechanical ventilation period
cui hua ;, fu xian xian ;, li guo dong ;, wang yong qing ;, wu cui yun ;, yang yao ;, zheng qing ;, zhong xiang xu ;
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