Verma I. M., Somia N. 1997. Gene therapy — promises, problems and prospects. Nature 389: 239–242.
178
Capecchi M. R. 1989. Altering the genome by homologous recombination. Science 244: 1288–1292.
179
First N., Thomson J. 1998. From cows stem therapies? Nature Biotechnology 16: 620–621.
180
Lyon J., Corner P. 1996. Altered fates. Norton, New York.
181
Eto M., Watanabe K., Makino I. 1989. Increased frequencies of apolipoprotein E2 and E4 alleles in patients with ischemic heart disease. Clinical Genetics 36: 183–188.
