CJCP     2021 23 (3):  259-264    ISSN: 1008-8830  CN: 43-1301/R A clinical analysis of pericardial effusion caused by central venous catheterization in preterm infants ZHANG Ya-Hui, LIU Yun-Feng, TONG Xiao-Mei, LU Dan-Fang, SHI Shi Department of Pediatrics, Peking University Third Hospital, Beijing 100191, China Received: 2020-11-16  Revised: 2020-12-08  Online: null Supporting info