CJCP     2010 12 (2):  149-150    ISSN: 1008-8830  CN: 43-1301/R Investigation on hepatitis B virus infection in children from Guiyang area BAO Li-Ya, LI Yuan-Yuan, TIAN Miao, ZHANG Li-Sha, XIAO Jun, XIE Yuan Department of Infectious Diseases, Guiyang Medical College, Guizhou 550004, China Received: null  Revised: null  Online: null Supporting info