PT - JOURNAL ARTICLE AU - M F Fitzpatrick AU - J Newell AU - H Grimes AU - E L Egan TI - Spurious increase in plasma potassium concentration and reduction in plasma calcium due to in vitro contamination with liquid potassium edetic acid at phlebotomy. AID - 10.1136/jcp.40.5.588 DP - 1987 May 01 TA - Journal of Clinical Pathology PG - 588 VI - 40 IP - 5 4099 - http://jcp.bmj.com/content/40/5/588.short 4100 - http://jcp.bmj.com/content/40/5/588.full SO - J Clin Pathol1987 May 01; 40