Clark, W. L., Alpern, H. L., Breall, W. S., Hyman, R. M., Markovitz, A., O'Brien, J. B., & Starke, R. D. (1993). Suggested guidelines for rating cardiac disability in workers' compensation. Medical and Chiropractic Advisory Committee to the Administrative Director of the California Division of Industrial Accidents.

Clark, W L., H L. Alpern, W S. Breall, R M. Hyman, A. Markovitz, J B. O'Brien, and R D. Starke. Suggested Guidelines for Rating Cardiac Disability in Workers' Compensation. Medical and Chiropractic Advisory Committee to the Administrative Director of the California Division of Industrial Accidents. 1993.

Clark, W L., et al. Suggested Guidelines for Rating Cardiac Disability in Workers' Compensation. Medical and Chiropractic Advisory Committee to the Administrative Director of the California Division of Industrial Accidents. 1993.