CJCP     2023 25 (2):  140-146    ISSN: 1008-8830  CN: 43-1301/R Blood metabolites in preterm infants with retinopathy of prematurity based on tandem mass spectrometry: a preliminary study YANG Qiu-Ping, LI Si-Tao, HAO Hu, GU Xia, SHI Cong-Cong, XIAO Xin, CAI Yao Department of Pediatrics, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China Received: 2022-09-28  Revised: null  Online: null Supporting info