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Zhou YB, Wang QX, Liang S, Gong YH, Yang MX, Nie SJ, Nan L, Yang AH, Liao Q, Yang Y, Song XX, Jiang QW. HIV-, HCV-, and co-infections and associated risk factors among drug users in southwestern China: a township-level ecological study incorporating spatial regression. PLoS One. 2014;9(3):e93157. PMID: 24687006; PMCID: PMC3970964. |