RT Journal Article SR Electronic T1 The levels of the plasma coagulation factors after trauma and childbirth JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 112 OP 114 DO 10.1136/jcp.16.2.112 VO 16 IS 2 A1 Davidson, E. A1 Tomlin, S. YR 1963 UL http://jcp.bmj.com/content/16/2/112.abstract AB The levels of the plasma coagulation factors are raised in the post-traumatic and post-partum periods. Factors, I, VIII, IX, and X were raised in two groups, one of patients after trauma, the other of patients after childbirth, while factors V and VII were raised in the puerperal group only. The relationship between these changes and thrombosis in vivo is discussed.