Co-Authors:
Rosenberg, N., Virus Laboratory, Faculty of Agriculture, P.O. Box 12, Rehovot, 76100, Israel
Pines, M., Institute of Animal Science, The Volcani Center, ARO, Bet Dagan 50-250, Israel
Sela, I., Virus Laboratory, Faculty of Agriculture, P.O. Box 12, Rehovot, 76100, Israel