L<scp>i</scp><sup>+</sup> Influx and Binding, and L<scp>i</scp><sup>+</sup>/M<scp>g</scp><sup>2+</sup> Competition in Bovine Chromaffin Cell Suspensions as Studied by <sup>7</sup>L<scp>i</scp> NMR and Fluorescence Spectroscopy
Metal-based drugs