527,561 PHYSICAL Physical activity and carenary heart disease. Proceedings of the 3rd Paavo Nurmi Symposium, Helsinki, Septeater 18 - 20,1975. Ed. Vaaa Mannlnan and Pentti I. Halenen. Basel 1976 S. Karger 8° s. X, 270, tabl. 1. Advances in Cardielegy vol. 18