【作者(必填)】 Wu AM[size=0.8461em]1, Huang CQ,
【文题(必填)】 The relationship between vitamin a and risk of fracture: meta-analysis of prospective studies.【年份(必填)】
[size=0.8465em]J Bone Miner Res.[size=0.8465em] [size=0.8465em]2014 Sep;29(9):2032-9.
【全文链接或数据库名称(选填)】 http://www.ncbi.nlm.nih.gov/pubmed/24700407