Bruce, R. A., Pearson, R., Lovejoy, F. W., Yu, P. N. G., & Brothers, G. B. (1949). VARIABILITY OF RESPIRATORY AND CIRCULATORY PERFORMANCE DURING STANDARDIZED EXERCISE.

Bruce, Robert A., Raymond Pearson, Frank W. Lovejoy, Paul N. G. Yu, and George B. Brothers. VARIABILITY OF RESPIRATORY AND CIRCULATORY PERFORMANCE DURING STANDARDIZED EXERCISE. 1949.

Bruce, Robert A., et al. VARIABILITY OF RESPIRATORY AND CIRCULATORY PERFORMANCE DURING STANDARDIZED EXERCISE. 1949.