围孕期服用叶酸及复合维生素B与新生儿出生体质量的关系研究
张若, 柏如海, 李姗姗, 章琦, 刘丹朦, 颜虹
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
中国全科医学 . 2016, (26): 3136 -3139,3148 .  DOI: 10.3969/j.issn.1007-9572.2016.26.002