[1] ROY POSTGRAD MED SCH,MRC LEUKAEMIA UNIT,LONDON W12 0HS,ENGLAND
[2] UNIV ROCHESTER,CTR CANC,ROCHESTER,NY 14627
[3] UNIV ROCHESTER,SCH MED & DENT,ROCHESTER,NY 14627
[4] HOP ST LOUIS,INST RECH LEUCEMIES & MALAD SANG,PARIS,FRANCE
[5] HOP HENRI MONDOR,SERV CENT HEMATOL IMMUNOL,F-94010 CRETEIL,FRANCE
[6] NIH,SERV HEMATOL,BETHESDA,MD 20014