Hofbauer, G. F., T. Baur, et al. (2008). "Clinical phase I intratumoral administration of two recombinant ALVA C canarypox viruses expressing human granulocyte-macrophage colony-stimulating factor or interleukin-2: the transgene determines the composition of the infl ammatory infiltrate." Melanoma Res 18(2): 104-11. 79.