6Wilmut I, Schnieke A E, McWhir J, et al. Viable offspring derived from fetal and adult mammalian cells[J].Nature,1997,385(6619): 810-813.
7Polejaeva I A, Chert S H, Vaught T D, et al. Cloned pigs produced by nuclear transfer from adult somatic cells[J].Nature,2000,407 (6800):86-90.
8Rose G, Harrison M. J, Greenman, et al. Observations of the living developing nerve fiber[J].The Anatomical Record, 1907(5): 116-128.
9Alexis C. A method for the physiological study of tissues in vitro[J]. J Exp Med, 1923,38(4):407-418.
10Sanford K K, Earle W R, Evans V J, et al. The measurement of proliferation in tissue cultures by enumeration of cell nuclei[J]. Journal of the National Cancer Institute, 1951,11 (4):773 -95.
