1. Exercise in rehabilitation of the coronary patient;Fletcher,1982
2. Exercise and cardiac rehabilitation—the exercise prescription;Zohman,1970
3. Standards for cardiovascular exercise treatment programs;Erb;Circulation,1979
4. Prescribing exercise for the apparently healthy and prescribing exercise for rehabilitation;Pollock,1984
5. The effects of training heart rate: a longitudinal study;Karvonen;Ann Med Exp Biol Fenn,1957