TY - Journal of Integrative Medicine A1 - Zhao-lan Liu, Qing Li , Yu-jie Mu , Ying Gao, Jian-ping Liu T1 - Using nested case-control study to appraise the effectiveness of Chinese medicines in the treatment of diabetic nephropathy Y1 - 2012-09-20 JF - Journal of Integrative Medicine JO - Journal of Integrative Medicine SP - 991 EP - 996 VL - 10 IS - 9 UR - http://www.jcimjournal.com N1 - 10.3736/jcim20120907 ER -