Antigenic Properties of the Extract of Phaseolus Vulgaris Seeds (phytohaemagglutinin) Routinely Used in Leucocyte Cultures.

ERS P. Barkhan, sl.I)., London, England T. H. Bothwell, MI)., Johannesburg, South Africa T. E. Brittingham, Ml)., Nashville, Tenn. jacqtme Caen, M.D., Paris, France J. B. Chatterjea, M.D., Calcutta, india Pietro deNicola, M.D., Pauia, Italy Ludvik Donner, M .D., Prague, Czechoslovakia A. J. Erslev, M.D., Philadelphia H. Hugh Fudenberg, M.D., San Francisco Katsulmiro Fukutake, M.D., Tokyo, Japan Robert Goldstein, M.D., New York City Ira Green, M.D., New York City F. \V. Gunz, M.D., Christchurch, New Zealand Susanna R. Hollan, M.D., Budapest, Hungary Harry S. Jacob, M.D., Boston, Mass. Michel Jamra, M.D., Sao Paulo, Brazil Oliver P. Jones, M.D., Buffalo Joseph Kassirsky, M.D., Moscow, U.S.S.R. Sven-Age Killmann, M.D., Copenhagen, Denmark Frederick A. Klipstein, M.D., New York City E. Kowalski, M.D., Warsaw, Poland E. A. Loeliger, M.D., Leiden, The Netherlands Cohn Macpherson, M.D., Columbus, Ohio Georges Math#{233},M.D., Paris, France Bracha Ramot, M.D., Tel Aviv, Israel Helen NI. Ranney, M.D., New York City Peter G. Reizenstein, M.D., Stockholm, Sweden Edgardo S. Sack, M.D., Buenos Aires, Argentina Julian B. Schorr, M.D., New York City Ralph 0. \Vallerstein, M.D., San Francisco