J. E. Sanderson, E. Whiteley, K. Neubauer, M. Barry
Sanderson J E, Whiteley E, Neubauer K, Barry M.
Two management policies for patients after myocardial infarction: Does exercise testing and a more intensive approach make any difference?
British Medical Journal 1989; 299 :1435
doi:10.1136/bmj.299.6713.1435