National Research Council U S Panel On The Sterilization Of Blood And Plasma : Symposium on the Laboratory Propagation and Detection of the Agent of Hepatitis, held under the joint sponsorship of the Panel on the Sterilization of Blood and Plasma of the National Academy of Science--National Research Council and the Commission on Virus and Rickettsial Diseases of the Armed Forces Epidemiological Board, Bellevue Hospital, New York City, 31 March, 1954