RT Journal Article SR Electronic T1 EVALUATION OF FOUR DIFFERENT SERUM ENZYMES IN THE DIAGNOSIS OF ACUTE MYOCARDIAL INFARCTION JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 520 OP 526 DO 10.1136/hrt.27.4.520 VO 27 IS 4 A1 Nis I. Nissen A1 P. Ranløv A1 J. Weis-fogh YR 1965 UL http://heart.bmj.com/content/27/4/520.abstract AB