Oncolytic vaccinia virus delivering tethered IL-12 enhances antitumor effects with improved safety ================================================================================================== * Yan Ge * Haiyan Wang * Jinghua Ren * Weilin Liu * Lingjuan Chen * Hongqi Chen * Junjie Ye * Enyong Dai * Congrong Ma * Songguang Ju * Zong Sheng Guo * Zuqiang Liu * David L Bartlett