So people now thought symptomless may not be quite as symptomless as they seem.

因此现在被认为没有症状的人也许并不象他们看起来的那样完全没有症状。

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Usually, either the patient or the physician notices an otherwise symptomless lump in the neck.

通常，病人或医生会注意到颈部有一个并无其他症状的肿块。

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The study also showed that cultivars of symptomless and high resistance were 37%, high susceptibility cultivars were 23.5%.

研究还显示，参试材料中无症状和高抗品种约占37%，高感类型占23.5%，其余为中间型。

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Even the critics of stent use and surgery say a subset of symptomless patients may benefit from the procedures.

WSJ: Are Stroke Drugs Better Than Stents?

While not dangerous, and often symptomless in more healthy patients, in the elderly, weak or immuno-suppressed, MRSA can cause fever and pneumonia.

BBC: NEWS | Health | Hospital infections: Case studies

The new screening will invite younger, symptomless patients to have a similar camera check, a flexible sigmoidoscopy, of the lower part of their large bowel to look for any abnormal growths.

BBC: Bowel-cancer screening pilot to begin in England