KLASSEN GERALD A. /red./ 534,004 PRIMARY Primary and secondary angina pectoris. Proceedings of an International Symposium. A Satellite Meeting of the VII European Congresss of Cardiology June 15-17, 1976 Pisa, Italy. Ed. by Attilio Maseri, Gerald A. Klassen, Michael Lesch. New York 1978 Grune and Stratton, Inc. 8° s. XX, nlb. 2,470, il.