Affiliation: | Laboratory of Experimental Oncology, Department of Pathology, Stanford University, Stanford, California 94305, U.S.A.;Shimoda Marine Research Center, University of Tsukuba, Shimoda 5-10-1, Shizuoka 415. Japan;Marine Biology Department, Israel Oceanographic and Limnological Research, The National Institute of Limnology, Tel Shikmona, P.O. Box 8030, Haifa 31080, Israel. |