CJCP     2021 23 (8):  821-827    ISSN: 1008-8830  CN: 43-1301/R Value of near-infrared spectroscopy in monitoring intestinal tissue oxygen saturation in preterm infants with hemodynamically significant patent ductus arteriosus: a prospective research HUANG Xun-Bin, ZHONG Xiao, LIU Ting, CHENG Guo-Qiang, QIU Hui-Xian Department of Neonatology, Longgang District Central Hospital of Shenzhen, Shenzhen, Guangdong 518116, China Received: 2021-04-01  Revised: null  Online: null Supporting info