RT Journal Article SR Electronic T1 Precision of plasma urea and electrolytes estimated by the AutoAnalyzer JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 513 OP 516 DO 10.1136/jcp.19.5.513 VO 19 IS 5 A1 Campbell, D. G. A1 Annan, W. YR 1966 UL http://jcp.bmj.com/content/19/5/513.abstract AB The precision of sodium, potassium, chloride, and bicarbonate analyses carried out by the AutoAnalyzer has been studied under routine laboratory conditions. From the results it is concluded that a further increase in precision is desirable.