Two articles in the July 7, 2004 issue printed with incomplete links to on-line supplemental material. For the articles “Fast and Slow Voltage-Dependent Dynamics of Magnesium Block in the NMDA Receptor: The Asymmetric Trapping Block Model,” by Mariana Vargas-Caballero and Hugh P. C. Robinson, which appeared on pages 6171-6180, and “Rapid Axoglial Signaling Mediated by Neuregulin and Neurotrophic Factors,” by Raymond M. Esper and Jeffrey A. Loeb, which appeared on pages 6218-6227, the complete links are www.jneurosci.org/cgi/content/full/24/27/6171/DC1 and www.jneurosci.org/cgi/content/full/24/27/6218/DC1, respectively.
