Department of Membrane Transport and Biopharmaceutics;
Kanazawa University School of Pharmaceutical Sciences;
Kanazawa 920-1192;
Japan;
University of Maryland Greenebaum Cancer Center;
the Departments of Medicine;
Pathology and Pharmacology and Experimental Therapeutics;
University of Maryland School of Medicine;
and the Baltimore VA Medical Center;
Baltimore;
Maryland 21201;
USA;