The Bombay blood group: are we out of risk? - PubMed
The Bombay blood group is a rare blood group, phenotypes of this group lacking H antigen on the red cell membrane and have anti-H in the serum. It fails to express any A, B or H antigen on their red cells or other tissues. The existence of a human H/h genetic polymorphism was first established...
pubmed.ncbi.nlm.nih.gov