Results of a national interlaboratory quality assessment of cyclosporine assays.

References 1. Maughan RI. A simple, rapid method for the determination of glucose, lactate, pyruvate, alanine, 3-hydroxybutyrate and acetoacetate on a single 20L blood sample. Clin Chim Acta 1982;122:231-40. 2. Flear CTG, Roberts SW, Hayes S, Stoddart JC, Covington AK. pK1’ and bicarbonate concentration in plasma. Clin Chem 1987;33:13-20. 3. O’Leary TD, Annus T, Langton SR. Spurious bicarbonate result with the Kodak Ektachem 700. Clin Chem 1988;34:774-5.