A.C2神經(jīng)阻滯 B.C3神經(jīng)阻滯 C.C4神經(jīng)阻滯 D.C5神經(jīng)阻滯 E.C6神經(jīng)阻滯
A.C2 B.C3 C.C4 D.C5 E.C6
A.頸源性頭痛 B.頸椎病 C.頸部畸形 D.頸、上胸部帶狀皰疹后神經(jīng)痛 E.頸神經(jīng)支配區(qū)癌性疼痛