関連ワード:
which blood group are called universal donor which blood group are called universal recipient people of which blood group are called universal donor person with which blood group are called universal donors people of which blood group are called universal donors 1 point which blood group is called universal donor o positive or o negative which blood group is called universal donor o+ or o which blood group called universal receiver which blood group is also called universal donor which blood group is referred to as universal donor
