Application of umbilical venous catheter combined with peripherally inserted central catheter in very low birth weight infants
YANG Zu-Ming, WANG San-Nan, MA Yue-Lan, YANG Xiao-Lu, ZHANG Wen-Ying, ZHU Mei-Ying
CJCP . 2013, (5): 353 -355 .  DOI: 10.7499/j.issn.1008-8830.2013.05.008