延迟脐带结扎对足月儿影响的meta分析
余章斌,韩树萍,沙莉,董小玥,陈玉林,邱玉芳
Effect of delayed cord clamping in term infants: a meta-analysis
 YU Zhangbin,HAN Shuping,SHA Li,DONG Xiaoyue,CHEN Yulin,QIU Yufang 
临床儿科杂志 . 2014, (3): 278 -283 .