関連ワード:
what country has the most o negative blood type what race has the most o negative blood type what ethnicity has the most o negative blood type what country has the most o positive blood type what race has the most o positive blood type what ethnicity has the most o positive blood type what nationality has the most o negative blood type what nationality has the most o positive blood type what part of the world has the most o negative blood type who has the most o negative blood type
