中国计划生育学杂志
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眉山市7135例孕早期孕妇红细胞叶酸及血清维生素B12检测结果分析及正常参考值建立
四川省眉山市妇幼保健院(620010)
Analysis of erythrocyte folic acid and serum vitamin B12 levels of 7135 pregnant women during the first trimester of pregnancy in Meishan city and the establishment of normal reference values
Meishan Maternal and Child Health Care Hospital, Meishan, Sichuan Province, 620010