CJCP     2022 24 (10):  1117-1123    ISSN: 1008-8830  CN: 43-1301/R Pulmonary hemorrhage in very low birth weight infants: risk factors and clinical outcome CAO Zhao-Lan, PAN Jing-Jing, CHEN Xiao-Qing, WU Yue, LU Ke-Yu, YANG Yang Department of Neonatology, Children's Hospital of Nanjing Medical University, Nanjing 210008, China Received: 2022-04-13  Revised: null  Online: null Supporting info