DNA damage from hydroxyurea therapy-variable-diversity-joining (VDJ) recombination events defined as the number of events per microgram of genomic DNA; Every 3 years [clinicaltrials_resource:6d2882ac2fefa81de2ec2da60c2a75a6]

optional test

DNA damage from hydroxyurea therapy-variable-diversity-joining (VDJ) recombination events defined as the number of events per microgram of genomic DNA; Every 3 years [clinicaltrials_resource:6d2882ac2fefa81de2ec2da60c2a75a6]

optional test