CJCP     2021 23 (10):  1015-1020    ISSN: 1008-8830  CN: 43-1301/R Changing trend of abdominal regional oxygen saturation in very/extremely low birth weight infants in the early postnatal stage: a prospective study ZHANG Jing-Hua, GUAN Rui-Lian, PAN Pian-Pian, LU Wei-Neng, ZHANG Hua-Yan Department of Neonatology, Guangzhou Women and Children's Medical Center, Guangzhou 510623, China (Email: isalayer@126.com) Received: 2021-06-01  Revised: null  Online: null Supporting info null