In an article by Schuetz et al. (2000), Tables 3 and 4printed with the data in the body of the tables not aligned correctly [Schuetz EG, Umbenhauer DR, Yasuda K, Brimer C, Nguyen L, Relling MV, Schuetz JD and Schinkel AH (2000) Altered expression of hepatic cytochromes P-450 in mice deficient in one or more mdr1genes. Mol Pharmacol57:188–197]. The corrected tables follow. The HTML and PDF versions of the online journal are correct. We regret any inconvenience caused by this error.

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