Fig. 4.
RT-PCR and follow-up data after postremission treatment with As2O3 alone (A), or chemotherapy alone, or chemotherapy/As2O3 combination (B) in 43 relapsed APL patients. D, at diagnosis; CR, complete remission; L/S, long/short-type isoform of PML-RAR transcripts. * Indicates each time of relapse.