CJCP     2009 11 (9):  745-748    ISSN: 1008-8830  CN: 43-1301/R Serum leptin level and its association with bone mineral density in obese children LIU Sai-Qin, WU Jing, MO Juan, SUN Zhi-Xiang, YANG Hao-Bo, HUANG Chao-Wen, LEI Min-Xiang, PENG Lie-Wu, XU Li Department of Endocrinology, Xiangya Hospital of Central South University, Changsha 410008, China. Email: wujing0731@hotmail.com Received: null  Revised: null  Online: null Supporting info