RT Journal Article SR Electronic T1 Proceedings: Endocrine assessment of threatened abortion. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 757 DO 10.1136/jcp.28.9.757-b VO 28 IS 9 A1 R E Rewell YR 1975 UL http://jcp.bmj.com/content/28/9/757.2.abstract AB