中国当代医药
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中国当代医药  2017, Vol. 24 Issue (31): 122-124    DOI:
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Application of color ultrasonography-guided umbilical vein catheter localization and retention in neonatal umbilical vein catheterization
LIU Zi-zhong    HUANG Guo-ping    XU Long
Department of Pediatrics,Luoding Maternal and Child Health Hospital in Guangdong Province,Luoding 527200,China
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