[1] SCHERING PLOUGH CORP,KENILWORTH,NJ
[2] UNIV ARKANSAS MED SCI HOSP,DIV HEMATOL ONCOL,LITTLE ROCK,AR 72205
[3] NCI,DIV CANC TREATMENT,CANC THERAPY EVALUAT PROGRAM,BETHESDA,MD 20205
[4] BURROUGHS WELLCOME CO,DIV CANC THERAPY,RES TRIANGLE PK,NC 27709
[5] UNIV TEXAS,MD ANDERSON HOSP & TUMOR INST,CTR CANC,HOUSTON,TX 77030