Doctors found it hard to establish the precise nature of her illness.

医生们难以判定她的确切病因。

《牛津词典》

Doctors found cancer cell in the section.

医生在切片上发现了癌细胞。

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Doctors found a glioma, a growth in the supportive tissue of the brain.

医生发现他患有胶质细胞瘤，这种肿瘤生长在脑部支持组织中。

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Doctors found that Houdini's appendix had burst.

VOA: special.2010.12.19

The study found there is strong support for restricting work by doctors-in-training to sixteen or fewer hours at one time.

VOA: special.2010.07.13

They found that the increase took place only in areas with hospitals where new doctors train.

VOA: special.2010.07.13

Alas, in late August Eric's U.S. doctors found, as predicted, a tumor on his new liver.

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Doctors found that those on exemestane were less likely to see the disease return.

BBC: Drug 'boosts breast cancer fight'

When he went to a hospital, doctors found he had a clot in a lung, she said.

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