OLSSON, K., Department of Animal Physiology, Swedish University of Agricultural Sciences, Uppsala, 75007, Sweden
MALTZ, E., Department of Zoology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, Israel
GLICK, S.M., Soroka Medical Center, Ben Gurion University Health Sciences Center, Be'Er-Sheba, Israel
FYHRQUIST, F., Minerva Institute for Medical Research, Box 819, Helsinki, SF-00101, Finland
SHKOLNIK, A., Department of Zoology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, Israel

[No abstract available]