• 2022-06-07
    颈椎最容易发生退行性改变的节段是
    A: C3~C4、C4~C5
    B: C4~C5、C5~C6
    C: C5~C6、C6~C7
    D: C1~C2、C2~C3
    E: C2~C3、C3~C4