RT Journal Article SR Electronic T1 Will serum enzymes and other proteins find a clinical application in the early diagnosis of myocardial infarction? JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 309 OP 310 DO 10.1136/hrt.71.4.309 VO 71 IS 4 A1 Timmis, A. D. YR 1994 UL http://heart.bmj.com/content/71/4/309.abstract AB