CJCP     2011 13 (8):  669-673    ISSN: 1008-8830  CN: 43-1301/R Expression of matrix metalloproteinase-9 in myocardium of mice with viral myocarditis YANG Min, CHEN Chun-Yuan, CAI Zi-Li, CHEN Bai-Lin, CHENG Liang, LI Hui Department of Pediatrics, Third Xiangya Hospital, Central South University, Changsha 410013, China. ccyzdh@126.com Received: null  Revised: null  Online: null Supporting info