hh blood group

hh blood group, or the Bombay blood group, is a very rare blood type. This blood phenotype was first discovered in Bombay, now known as Mumbai, in India, by Dr. Y. M. Bhende in 1952. It is mostly found in the Middle East such as Iran.

Hh Blood Group Media

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  Hh antigen system - diagram showing the molecular structure of the ABO(H) antigen system