RT Journal Article SR Electronic T1 Mechanized blood grouping: a hospital trial using an 8-channel grouping machine. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 860 OP 862 DO 10.1136/jcp.28.11.860 VO 28 IS 11 A1 G C Jenkins A1 R G Fewell A1 M J Lloyd A1 J Brown A1 J Judd A1 R S Lane A1 W J Jenkins YR 1975 UL http://jcp.bmj.com/content/28/11/860.abstract AB ABO and Rh (D) groups of 6403 blood samples were assessed on an 8/9-channel autoanalyser in the Serology Department of the London Hospital; the results were independently checked at the Regional Blood Transfusion Centre, Brentwood, using the routine methods for grouping donor blood. Results of this comparative study are given and instances are described in which anomalous results or incorrect groupings occurred; the possible causes are discussed. The 8/9-channel automated blood group analyser is evaluated in terms of routine hospital laboratory practice.