Study on the application of real-time ultrasound-guided in umbilical vein catheterization in 60 premature infants
SHEN Chun-hua, JIANG Yong-jiang, JIANG Jian-sui, HUANG Xue-mei, GAN Yuan, ZHANG Yu
journal1 . 2017, (5): 507 -510 .  DOI: 10.11852/zgetbjzz2017-25-05-22