Affiliation: | (1) Department of Genetics, The Royal Veterinary and Agricultural University, Bülowsvej 13, 1870 Copenhagen V, Denmark;(2) Present address: Albert Chandler Medical Center, Department of Biochemistry, University of Kentucky, Lexington, Kentucky, U.S.A.;(3) Present address: The Gene Technology Group, The Technical University, Building 227, 2800 Lyngby, Denmark |