结论：对疑似气管异物的儿童患者，应仔细采集病史，注意特有体征，减少误诊。

Conclusion: to avoid misdiagnosis of tracheal foreign body, clinicians should collect medical history carefully and pay more attention to the characteristic physical signs.

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已知由呼吸疾病造成的死亡发生在7月下旬和8月初，但是未采集样本，并且一般缺乏病史档案。

Deaths from respiratory illness are known to have occurred in late July and early August, but no samples were taken and medical records are generally poor.

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方法：对广东省46名专业跳水运动员和30名中学生进行颈椎病的病史采集及物理检查，对颈椎病可疑对象拍摄颈椎X光；

Methods: the cervical problems of 46 divers and 30 middle school students were studied by history of the diseases, physical examinations and X-ray films taken in some of the suspected cases.

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