Association between Folic Acid and Vitamin B Complex Supplementation during Peri-conception Period and Neonatal Birth Weight
ZHANG Ruo, BAI Ru-hai, LI Shan-shan, ZHANG Qi, LIU Dan-meng, YAN Hong
Chinese General Practice . 2016, (26): 3136 -3139，3148 .  DOI: 10.3969/j.issn.1007-9572.2016.26.002

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