1. The recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness in healthy adults;Med Sci Sports Exerc,1990
2. Validity of palpation recovery pulse rate to estimate exercise heart rate following four intensities of bench step exercise;Greer;Res Q,1982
3. Validity of the postexercise heart rate as a means of estimating heart rate during work of varying intensities;McArdle;Res Q,1969
4. Exercise in chronic obstructive pulmonary disease;Belman;Clin Chest Med,1986
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