The association between influenza vaccination during pregnancy from 2012 to 2022 and demographic characteristics and preterm birth outcomes in Shanghai
NING Xinan, MA Zhonghui, WANG Chunfang, HUANG Zhuoying, JIANG Hong, YU Huiting, XIA Tian
Journal of Clinical Pediatrics . 2025, (9): 661 -669 .  DOI: 10.12372/jcp.2025.25e0371