Doctors around the world have warned of risks to elderly people, expectant mothers, and people with heart conditions.

世界各地的医生都对老年人、孕妇和心脏病患者的风险发出了警告。

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Doctors and researchers say the world does not provide enough good treatment for poisonous snakebites.

VOA: special.2009.05.05

It was impossible-- doctors and scientists showed, runners, athletes, the top-ones in the world proved that the doctors were right.

那是不可能的，医生和科学家证明了，跑手，运动员，世上顶尖选手证明了医生们是对的。

哈佛公开课 - 幸福课课程节选

Still,uncounted people throughout the world want to be doctors.

VOA: special.2010.07.13

Professor Treasure urged doctors around the world to be aware of the early signs of the disease.

BBC: NEWS | Health | West 'facing asbestos epidemic'

Doctors around the world are becoming increasingly concerned about the rise of so-called superbugs which are resistant to antibiotics.

BBC: Superbug kills Hong Kong woman

Why, of all the doctors in the world, did it fall upon him to finally stop polio in its tracks?

CNN: Commentary: Heroes in lab coats