AIMC Topic: Pregnancy Trimester, First

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[Concentration of red blood cell folate and the analysis of folic acid supplement optimum time and dose in first trimester].

Wei sheng yan jiu = Journal of hygiene research
OBJECTIVE: To have a knowledge of prevalent red blood cell folate concentration in Beijing and analyzes optimum time and dose of folic acid supplement. To provide the basis data for making public health policy and clinical consultation.