Institution: | (1) Developmental Biology Unit W7, University of Bielefeld, P.O. Box 8640, D-W4800 Bielefeld 1, FRG;(2) Human Genetics, University of Göttingen, Goßlerstr. 12d, D-W3400 Göttingen, FRG;(3) Biological Institute, Genetics, University of Tübingen, Auf der Morgenstelle 28, D-W7400 Tübingen, FRG |