[1] WINTHROP PHARMACEUT,NEW YORK,NY
[2] UNIV ROCHESTER,SCH MED & DENT,DEPT RADIOL,ROCHESTER,NY 14642
[3] JUNTENDO UNIV,SCH MED,DEPT RADIOL,TOKYO 113,JAPAN
[4] HAMMERSMITH HOSP,DEPT RADIOL,LONDON W12 0HS,ENGLAND
[5] PITTSBURG NMR INST,PITTSBURGH,PA
[6] YAMAGATA UNIV,DEPT RADIOL,YAMAGATA 990,JAPAN
[7] BRACCO IND CHIM SPA,MILAN,ITALY
[8] TECH UNIV MUNICH,KLINIKUM RECHTS ISAR,DEPT RADIOL,W-8000 MUNICH 80,GERMANY
[9] UNIV CALIF SAN FRANCISCO,CONTRAST MEDIA LAB,SAN FRANCISCO,CA 94143
[10] MALLINCKRODT INC,PHARMACEUT RES & DEV,ST LOUIS,MO 63134
[11] UNIV WASHINGTON,DEPT RADIOL,IMAGING RES LAB,SEATTLE,WA 98195
[12] BIOPHYS FDN,LA JOLLA,CA