A.A或B B.A或O C.AB D.O E.AB或O
A.IgG抗體的親和力不夠 B.IgG抗體分子太小 C.IgG抗體分子效價(jià)不夠 D.IgG抗體分子數(shù)量太少 E.IgG抗體分子對(duì)經(jīng)酶處理的紅細(xì)胞無反應(yīng)
A.1% B.2% C.5% D.10% E.20%