RT Journal Article SR Electronic T1 Arrest of Bleeding JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 358 OP 358 DO 10.1136/jcp.7.4.358-c VO 7 IS 4 A1 J. R. O'Brien YR 1954 UL http://jcp.bmj.com/content/7/4/358.3.abstract AB