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2. Psychological status during recovery from an acute heart attack;Cay, E.L.; Vetter, N.; Philip, A.; Dugard, P.;Journal of Psychosomatic Research,1972
3. Return to work after a heart attack;Cay, E.L.; Vetter, N.; Philip, A.; Dugard, P.;Journal of Psychosomatic Research,1973
4. Return to work following valve surgery. Presented to the Society of Thoracic and Cardiovascular Surgeons of Great Britain and Ireland at the Annual Meeting;Deiraniya, A.K.,1976
5. Assessing the cardiac patient for rehabilitation;Harris, R.;New York State Journal of Medicine,1970