The interferons : an international symposium / Contributors: Samuel Baron [and others] Edited by Geo Rita. International Symposium on Interferons, Siena, 1967. Baron, Samuel, 1928- Rita, Geo, ed. Interferon Congresses. QR360 .I47 1967 616 RII Includes Index. Includes bibliographies. New York : Academic Press, c1968. c1968. 1968 Text xvii, 269 p. : eng