References

1. Esteban R et al. RhD epitope expression in a RHD negative individual: characterization of a novel RHCE variant allele. Transfusion Clinique et Biologique, 2001. — Abstract — [RHeference]
2. Esteban R et al. The D category VI type 4 allele is prevalent in the Spanish population. Transfusion, 2006. [Citation] [RHeference]
3. Nogues N et al. RHD null alleles in the Spanish population Vox Sanguinis, 2007. — Abstract — [RHeference]