WERKÖ LARS /red./ 520,606 PREVENTIVE Preventive cardiology.Proceedings of an InLernational Symposium held at Billingehus Skovde,Sweden August 21 st,1971 under the Sponsorship of the Planning Group for Preventive Cardiology of tjje Swedish Medical Research Council. Ed. by Gosta Tibblin, Ancel Keys and Lars Werko. Stockholm 1972 Almqvist and Wiksell; New York|A Halsted Press Book 8° s. 181,ilustr.