Dierks P., Wieringa B., Marti D., Reiser J., van Ooyen A., et al. 1981.
Expression of b-globin genes modified by reconstructing and site-directed mutagenesis. In Developmental Biology Using Purified Genes. ICN-UCLA Symp. Mol.Cell.Biol. ed D.D.Broun C. F.Fox, 347-66 New York :Academic