↵*Department of Pharmacology and Department of Neuroscience, Johns Hopkins School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205, USA. E-mail: joliu{at}jhu.edu
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Science's STKE 04 Jan 2005: Vol. 2005, Issue 265, pp. re1 DOI: 10.1126/stke.2652005re1
↵*Department of Pharmacology and Department of Neuroscience, Johns Hopkins School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205, USA. E-mail: joliu{at}jhu.edu