RT Journal Article SR Electronic T1 Routine determination of urinary pregnanediol using a gas chromatograph with automatic sample application JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 619 OP 621 DO 10.1136/jcp.19.6.619 VO 19 IS 6 A1 D. A. Podmore YR 1966 UL http://jcp.bmj.com/content/19/6/619.abstract AB A method for the routine determination of urinary pregnanediol by gas-liquid chromatography is presented. By applying the samples automatically to the chromatograph overnight, batches of up to 25 samples can be easily handled. The method described is compared with that of Klopper, Michie, and Brown (1955).