Institution: | (1) Institute of Anatomy and Biology, Medical Academy Magdeburg, Leipziger Strasse 44, 3090 Magdeburg, German Democratic Republic;(2) Institute of Neurobiology and Brain Research of the Academy of Science of German Democratic Republic, Magdeburg, German, Democratic Republic;(3) Department of Biochemistry, University of Oulu, Finland;(4) Department of Pathology, University of Oulu, Finland |