Maternal alloimmunization against the rare platelet-specific antigen HPA-9b (Max a) is an important cause of neonatal alloimmune thrombocytopenia.Published in:2005By:Peterson JA;Balthazor SM;Curtis BR;McFarland JG;Aster RH;Peterson, Julie A;Balthazor, Stephanie M;Curtis, Brian R;McFarland, Janice G;Aster, Richard HPublication type:journal article