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. 2004 Oct;124(4):301–317. doi: 10.1085/jgp.200409041

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Copyright © 2004, The Rockefeller University Press

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Figure 4. — Membrane permeability of imipramine and astemizole. Superimposed hEag1 current traces recorded during 1-s depolarizations to 60 mV from a holding potential of −70 mV in the absence, presence, and after washout of the indicated bath concentrations of imipramine (A) or astemizole (B) in cell-attached patches.