[1] Schering Plough Biopharma, Dept Immunol, Palo Alto, CA 94304 USA
[2] Schering Plough Biopharma, Dept Expt Pathol & Pharmacol, Palo Alto, CA 94304 USA
[3] Schering Plough Biopharma, Dept Anat Pathol, Palo Alto, CA 94304 USA
[4] Schering Plough Biopharma, Dept Mol Design & Informat, Palo Alto, CA 94304 USA