A. M. Hicks, G. Riedlinger, M. C. Willingham, M. A. Alexander-Miller, C. Von Kap-Herr, M. J. Pettenati, A. M. Sanders, H. M. Weir, W. Du, J. Kim, et al., “Transferable anticancer innate immunity in spontaneous regression/complete resistance mice,” Proceedings of the National Academy of Science, USA, Vol. 103, No. 20, pp. 7753–7758, 2006.
 J. Yu, M. A. Vodyanik, K. Smuga-Otto, J. Antosiewicz-Bourget, J. L. Frane, S. Tian, J. Nie, G. A. Jonsdottir, V. Ruotti, R. Stewart, et al., “Induced pluripotent stem cell lines derived from human somatic cells,” Science, Vol. 318, No. 5858, pp. 1917–1920, 2007.
 K. Takahashi, K. Tanabe, M. Ohnuki, M. Narita, T. Ichisaka, K. Tomoda, and S. Yamanaka, “Induction of pluripotent stem cells from adult human fibroblasts by defined factors,” Cell, Vol. 131, No. 5, pp. 861–872, 2007.
 D. Kim, C. H. Kim, J. I. Moon, Y. G. Chung, M. Y. Chang, B. S. Han, S. Ko, E. Yang, K. Y. Cha, R. Lanza, et al., “Generation of human induced pluripotent stem cells by direct delivery of reprogramming proteins,” Cell Stem Cell, Vol. 4, No. 6, pp. 472–476, 2009.
 H. Zhou, S. Wu, J. Y. Joo, S. Zhu, D. W. Han, T. Lin, S. Trauger, G. Bien, S. Yao, Y. Zhu, et al., “Generation of induced pluripotent stem cells using recombinant proteins,” Cell Stem Cell, Vol. 4, No. 5, pp. 381–384, 2009.
 T. Lin, R. Ambasudhan, X. Yuan, W. Li, S. Hilcove, R. Abujarour, X. Lin, H. S. Hahm, E. Hao, A. Hayek, et al., “A chemical platform for improved induction of human iPSCs,” Nature Methods, Vol. 6, No. 11, pp. 805–808, 2009.
 M. A. Esteban, T. Wang, B. Qin, J. Yang, D. Qin, J. Cai, W. Li, Z. Weng, J. Chen, S. Ni, et al., “Vitamin C Enhances the Generation of Mouse and Human Induced Pluripotent Stem Cells,” Cell Stem Cell, 2009.
 Z. G. Fridlender, J. Sun, S. Kim, V. Kapoor, G. Cheng, L. Ling, G. S. Worthen, and S. M. Albelda, “Polarization of tumor-associated neutrophil phenotype by TGF-beta: “N1” versus "N2" TAN,” Cancer Cell, Vol. 16, No. 3, pp. 183–194, 2009.
 M. Hannig, H. R. Figulla, H. Sauer, and M. Wartenberg, “Control of leukocyte differentiation from embryonic stem cells upon vasculogenesis and confrontation with tumour tissue,” Journal of Cellular and Molecular Medicine, 2008.