Itili/ CALENDAR JULY 1972 Contact: William E. Powers, Washington Uni 8 Workshop on Radiopharmaceuticals for the versity School of Medicine, Division of Radia Detection of Thromboemboli tion Therapy, 510 S. Kingshighway, St. Louis, Philadelphia, Pa. Mo. 63110. Contact: Mary Ann Dugan, Temple University 2-6 Modern Trends in Activation Analysis School of Pharmacy, 3223 N. Broad Street, Saclay, France Contact: J. L. Chevalier, Lab. Pierre Sue, CEN- Philadelphia, Pa. 19140. 11-14 19th ANNUAL MEETING, SOCIETY OF Saclay, B. P. No. 2, Gif-sur-Yvette 91, France. 5-7 8th Annual Society of Nuclear Medical NUCLEAR MEDICINE Technologists' Symposium Sheraton-Boston Hotel, Boston, Mass. Contact: Society of Nuclear Medicine, 211 E. Denver, Colo. 43rd St., New York, N.Y. 10017. Contact: Myrtle Young, Society of Nuclear 24-28 Physical Aspects of Nuclear Medicine Medical Technologists, 1201 Waukegan Road, Cambridge, Mass. Glenview, 111.60025. Contact: Director of the Summer Session, 12-14 International Society of Radiographers and Room El-9-356, Massachusetts Institute of Radiological Technicians Technology, Cambridge, Mass. 02139. Toronto, Canada 30- Third International Conference on Medical Contact: A. M. Escaf, Dept. of Diagnostic Ra Aug. 4 Physics diology, Victoria Hospital, London, Ontario, Göteborg, Sweden Canada. Contact: Roland Kadefors, Dept. of Applied 12-14 Society of Hungarian Radiologists Electronics, Chalmers University of Technol Budapest, Hungary ogy, S-402 20 Göteborg,Sweden. Contact: Z. B. Zsebok, Radiological Clinic of Semmelweis Medical University, Budapest VIII, AUGUST 1972 Ulloi ut 78, Hungary. 4-14 IV International Biophysics Congress 16-21 Nuclex 72 Moscow, USSR Basel, Switzerland Contact: L. P. Kayushin, Secretary-General, Contact: Organizing Committee, Nuclex 72, Organizing Committee, IV International Bio 4000, Basel 21, Switzerland. physics Congress, Profsoyuznaya 7, Moscow 23-28 Medical Radioisotope Scintigraphy V-133, USSR. Monaco Contact: IAEA, Kaerntnerring 11 - 13, 1010 SEPTEMBER1972 Vienna, Austria. 15-16 Radionuclide Tomography Symposium New York, N.Y. Contact: Gerald Freedman, Department of Ra NOVEMBER 1972 diology, Yale-New Haven Hospital, New Ha 2-4 13th Annual Meeting, SNM Southeastern ven, Conn. Chapter 20-23 American Thyroid Association Atlanta, Ga. Chicago, 111. Contact: James H. LaRose, 475 Woodruff Contact: William M. McConahey, Mayo Clinic, Building, Emory University, Atlanta, Ga. Rochester, Minn. 55901. 30322. 22-23 SNM Northern and Southern California Chapter MARCH 1973 San Francisco, Calif. Contact: Philip Matin, Department of Nuclear 26-30 New Developments in Labeled Compounds in Medicine, 333 Sunrise Avenue, Roseville, Calif. cluding Radiopharmaceuticals 95678. Copenhagen, Denmark 26-29 American Roentgen Ray Society Contact: J. H. Kane, Office of Information Washington, D.C. Services, USAEC, Washington, D.C. 20545. Contact: T. F. Leigh, Emory University Clinic, Atlanta, Ga. 30322. 27-29 7th National Cancer Conference APRIL 1973 29- Radiation Research Society Los Angeles, Calif. Contact: S. L. Arje, American Cancer Society, May 3 St. Louis, Mo. 219 E. 42nd St., New York, N.Y. 10017. Contact: R. J. Burk, RRS, 4211 39th St., N.W., 27-30 German Society of Nuclear Medicine Washington, D.C. 20016. Freiburg, Germany Contact: Prof. Dr. G. Hoffmann, Abteilung für SEPTEMBER 1974 klinische Nuclearmedizin, 78 Freiburg i. Br., 30- First World Congress of Nuclear Medicine Hugstetterstrasse 55, BRD. Oct. 5 Tokyo and Kyoto, Japan OCTOBER 1972 Contact: Masahiro lio, World Federation of 2-4 Particle Accelerators in Radiation Therapy Nuclear Medicine, University of Tokyo Hos Los Alamos, N.M. pital, Hongo, Bunkyo-ku, Tokyo 113, Japan. 576 JOURNAL OF NUCLEAR MEDICINE.