中国计划生育学杂志
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孕早期维生素D水平与妊娠期糖尿病发生风险关系
河南省周口市妇幼保健院(周口市儿童医院)(466000)
The relationship between vitamin D level during the first trimester of pregnancy and the occurrence of maternal gestational diabetes mellitus
Zhoukou Maternal and Child Care Health Hospital (Zhoukou Children's Hospital), Henan Province, 466000