Abo Group
 

* 1.a classification system for the antigens of human blood used in blood transfusion therapy four groups are A and B and AB and O
English Related Words* a group of
* abelian group
* abo antibodies
* abo blood group system
* abo blood groups
* abo system
* aboard
* aboard a ship
* aboard,all
* aboard,to fall
* abocclusion
* abodance
* abode
* abode of demons
* abodement