CJCP     2025 27 (3):  286-292    ISSN: 1008-8830  CN: 43-1301/R Efficacy of volume-guaranteed high-frequency oscillatory ventilation in preterm infants with respiratory distress syndrome and its impact on cerebral blood flow in the middle cerebral artery WANG Yue-Yi, WEI Xue-Xu, YIN Hai-Wei, ZHU Hong-Bin Department of Neonatology, Qinhuangdao Maternal and Child Health Hospital, Qinhuangdao, Hebei 066000, China Received: 2024-09-04  Revised: null  Online: null Supporting info