ican Cancer Society. Last Medical Review: 03/08/2008. Last Revised: 01/13/2009↑ 7 adverse reactions to transfusion Pathology Department at University of Michigan. Version July 2004, Revised 11/5/08↑ Nickel RG; Willadsen SA; Freidhoff LR; et al. (August 1999). "Determination of Duffy genotypes in three populations of African descent using PCR and sequence-specific oligonucleotides". Human Immunology. 60 (8): 738–42. doi:10.1016/S0198-8859(99)00039-7. PMID 10439320. {{cite journal}}: Unknown parameter |author-separator= ignored (help)↑ Bruce, MG (May 2002). "BCF – Members – Chairman's Annual Report". The Blood Care Foundation. සම්ප්‍රවේශය 2008-07-15. As Rhesus Negative blood is rare amongst local nationals, this Agreement will be of particular value to Rhesus Negative expatriates and travellers[භින්න වූ සබැඳිය]↑ Daniels G, Finning K, Martin P, Summers J (September 2006). "Fetal blood group genotyping: present and future". Annals of the New York Academy of Sciences. 1075: 88–95. d