产妇年龄对新生儿不良结局影响的回顾性队列研究
杨旻, 汪吉梅
Retrospective cohort study of the effect of maternal age on adverse neonatal outcomes
YANG Min, WANG Ji-mei
中国循证儿科杂志 . 2019, (4): 276 -281 .  DOI: 10.3969/j.issn.1673-5501.2019.04.006