US脑内不会出现局限性混合回声者()
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
患者30岁,近几年常有颈项部疼痛,颈部运动受限或不灵,头颈向一侧偏斜,查体颈部强直,双侧上肢麻木、无力及肌萎缩,腱反射减弱,病理征阴性。
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