RT Journal Article SR Electronic T1 THE THEORY AND PRACTICE OF ANTICOAGULANT TREATMENT JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 134 OP 134 DO 10.1136/jcp.18.1.134-c VO 18 IS 1 A1 D. Robertson Smith YR 1965 UL http://jcp.bmj.com/content/18/1/134.3.abstract AB