AB blood group antigen are known as.....factor -
The ABO blood group system is widely credited to have been discovered by the Austrian scientist Karl Landsteiner, who identified the O, A, and B blood types in 1900. Antigens were termed on his name Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg.no. : 191
Duffy
Landsteiner
Rhesus
Lutheran
Immunology