CJCP     2011 13 (8):  644-646    ISSN: 1008-8830  CN: 43-1301/R Influencing factors of mother-infant vertical transmission of hepatitis B virus ZHANG Wei-Li, ZHAO Juan, LI Wei Department of Pediatrics, Shanghai Public Health Clinical Center, Shanghai 201508, China zhangwl@sina.com Received: null  Revised: null  Online: null Supporting info