Helmut Ponta¹ and Peter Herrlich^1,2

1 Forschungszentrum Karlsruhe, Institute of Genetics, and ² University of Karlsruhe, Institute of Genetics, Postfach 3640, D-76021 Karlsruhe, Germany

Received 4/27/98 Accepted 5/12/98

6. REFERENCES

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