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    					| Clinical Application of PICC in Lower Limbs of Premature Infants |  
						| QUE Qiuping, WU Yun, PENG Jie, GUO Jieting, QIN Suning, CHEN Li, ZHANG Xia |  
						| First-author's address: The First People's Hospital of Yulin, Guangxi, Yulin 537000, China |  
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															| Received: 13 January 2023 |  |  |  |  
											 
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