TY - Front. Med. A1 - Runshun Zhang,Yinghui Wang,Baoyan Liu,Guangli Song,Xuezhong Zhou,Shizhen Fan,Xishui Pan T1 - Clinical data quality problems and countermeasure for real world study Y1 - 2014-10-09 JF - Frontiers of Medicine JO - Front. Med. SP - 352 EP - 357 VL - 8 IS - 3 UR - https://academic.hep.com.cn/fmd N1 - 10.1007/s11684-014-0351-1 ER -