ABO blood group system, classification of human blood as determined by the presence or absence of A and B antigens on red blood cells.
Blood group antigens are surface markers on the red blood cell
ABO Blood Group Practice Questions
Blood Types: ABO and Rh (with donuts and sprinkles!)
Blood Group Systems: ABO and Rhesus
ABO blood group system Definition, Blood Type, & ABO Antigens
ABO blood group system, Definition, Blood Type, & ABO Antigens
Blood Types: ABO System, Red Blood Cell Antigens & Blood Groups
An Overview of Blood Types
Toward universal donor blood: Enzymatic conversion of A and B to O
ABO System. Discovery of the ABO blood groups, antigen-antibody
Blood Typing Test: What Is It And What To Expect?