Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.128, No.35, 11326-11327, 2006 DOI10.1021/ja062387x Export Citation A R-2/R-1 ratiometric procedure for a concentration-independent, pH-responsive, Gd(III)-based MRI agent Aime S, Fedeli F, Sanino A, Terreno E Please enable JavaScript to view the comments powered by Disqus.