1. Principles of exercise prescription,1991
2. The recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness in healthy adults;Med Sci Sports Exerc,1990
3. Instruments for the functional assessment of older patients;Applegate;N Engl J Med,1990
4. Exercise prescriptions for the elderly;Barry;Am Fam Phys,1986
5. How exercise can benefit older patients: A practical approach;Barry;Phys Sports Med,1993