A.10% B.20% C.30% D.40% E.50%
A.5% B.10% C.15% D.5‰ E.10‰
A.病毒性腦膜炎 B.緊張型頭痛 C.偏頭痛 D.原發(fā)性頭痛 E.低顱壓性頭痛