RT Journal Article SR Electronic T1 Comparison between a direct and an indirect method for determining plasminogen. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 624 DO 10.1136/jcp.25.7.624 VO 25 IS 7 A1 Nilsson, I M A1 Hedner, U YR 1972 UL http://jcp.bmj.com/content/25/7/624.abstract AB