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Cf. T: NAKANO, H. KODAMA, T. HONJO, Generation of Lymphohematopoietic Cells from Embryonic Stem Cells in Culture, Science 1994, 265, 1098-1101; G. KELLER, In Vitro Differentiation of Embryonic Stem Cells, Current Opinion in Cell Biology 1995, 7, 862-869; S. ROBERTSON, M. KENNEDY, G. KELLER, Hematopoietic Commitment During Embryogenesis, Annals of the New York Academy of Sciences 1999, 872, 9-16.

Cf. J. A .THOMSON, J. ITSKOVITZ-ELDOR, S. S. SHAPIRO et al., Embryonic Stem Cell Lines Derived from Human Blastocysts, Science 1998, 282, 1145-1147; G. VOGEL, Harnessing the Power of Stem Cells, Science 1999, 283, 1432-1434. 

Cf. F. M. WATT, B. L. M. HOGAN, Out of Eden: Stem Cells and Their Niches, Science 2000, 287, 1427-1430. 

Cf. J. A. THOMSON, J. ITSKOVITZ-ELDOR, S. S. SHAPIRO et al., op. cit.

Cf. U.S. CONGRESS, OFFICE OF TECHNOLOGY ASSESSMENT, Neural Grafting: Repairing the Brain and Spinal Cord, OTA-BA-462, Washington, DC, U.S. Government Printing Office, 1990; A. McLAREN, Stem Cells: Golden Opportunities with Ethical Baggage, Science 2000, 288, 1778. 

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