RT Journal Article SR Electronic T1 Application of new ultra-micro automated spectrophotometric determination for serum hydroxybutyrate dehydrogenase activity to diagnosis of myocardial infarction. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 114 OP 121 DO 10.1136/hrt.32.1.114 VO 32 IS 1 A1 Hirst, A D A1 Goldberg, D M YR 1970 UL http://heart.bmj.com/content/32/1/114.abstract AB