References
- Åstrand , P. O. 1952 . Experimental studies on physical working capacity in relation to sex and age , Copenhagen : Einar Muuksgaard .
- Bruce , R. A. 1956 . Evaluation of functional capacity and exercise tolerance of cardiac patients . Mod. Cone. Cardiovasc. Dis. , 25 : 321 – 26 .
- Buskirk , E. and Taylor , H. L. 1957 . Maximal oxygen intake and its relation to body consumption, with special reference to chronic physical activity and obesity . J. appl. Physiol. , 11 : 72 – 78 .
- Criteria Committee of the New York Heart Association. 1953 . Nomenclature and criteria for diagnosis of diseases of the heart and blood vessels, , 5th ed. , New York : New York Heart Association .
- Levenson , R. M. and Sparkman , D. R. 1961 . Exercise testing of cardiac patients in evaluating work potential . Amer. J. Cardiol. , 7 : 330 – 34 .
- Mitchell , J. H. , Sproule , B. J. and Chapman , C. B. 1958 . The physiological meaning of the maximal oxygen intake test . J. clin. Invest , 37 : 538 – 47 .
- Slonim , N. B. , Gillespie , D. G. and Harold , W. H. 1957 . Peak oxygen uptake of healthy young men as determined by a treadmill method . J. appl. Physiol. , 10 : 401 – 404 .