Publication 7/01/2001 Systemic IFN-beta gene therapy results in long-term survival in mice with established colorectal liver metastases. Tada H, Maron DJ, Choi EA, Barsoum J, Lei H, Xie Q, Liu W, Ellis L, Moscioni AD, Tazelaar J, Fawell S, Qin X, Propert KJ, Davis A, Fraker DL, Wilson JM, Spitz FR The Journal Of Clinical Investigation