CJCP     2025 27 (2):  148-154    ISSN: 1008-8830  CN: 43-1301/R A quality improvement study on improving the follow-up rate of preterm infants after discharge CHANG He-Sheng, YANG Xue, JU Jun, XU Wen-Ya, WU Di, WAN Xiao-Man, LI Zheng-Hong Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College/State Key Laboratory of Complex Severe and Rare Diseases Beijing 100730 China Received: 2024-10-14  Revised: null  Online: null Supporting info null