J. L. Hopper, B. Pathik, D. Hunt, W. W. Chan
Hopper J L, Pathik B, Hunt D, Chan W W.
Improved prognosis since 1969 of myocardial infarction treated in a coronary care unit: lack of relation with changes in severity.
British Medical Journal 1989; 299 :892
doi:10.1136/bmj.299.6704.892