Bak-a and Lek-a are identical antigens.
D016824:Antigens, Human Platelet; D001792:Blood Platelets / Q000276:immunology*; D005260:Female; D006801:Humans; D007519:Isoantigens / Q000276:immunology*; D008297:Male
C044561:3a alloantigen, human; D016824:Antigens, Human Platelet; D007519:Isoantigens