The Protocol "Analysis of Glutamate Receptor Surface Expression in Acute Hippocampal Slices" by D. R. Grosshans, D. A. Clayton, S. J. Coultrap, and M. D. Browning was published with two errors.

Online, the full text of the Protocol mistakenly displayed Figure 2 in place of Figure 1. The online full text display will be corrected so that Figure 1 shows appropriately.

The second error was that the PDF of the Protocol mistakenly listed the URL at the bottom of the page and in the citation as;2002/137/pl9 when it should have been;2002/137/pl8.

The online display of the full text will be corrected and a corrected PDF will be available starting July 12, 2002 from;2002/137/pl8