A.5%B.15%~35%C.30%~40%D.1%~2%E.10%
A.5% B.15%~35% C.30%~40% D.1%~2% E.10%
A.球后潰瘍 B.對(duì)吻潰瘍 C.多發(fā)潰瘍 D.復(fù)合潰瘍 E.巨大潰瘍