佩卡姆本人就是个癌症专家，非常清楚医疗实践中的广泛差异。
Peckham, himself a cancer specialist, is well aware of the wide variations in medical practice.
从这些错误中必须得到教训，就像他们对国家的教育和医疗保障的广泛关注一样。
Lessons need to be learnt from both of those mistakes; as they do from widespread concerns about the state of education and health care.
事实上，它花了超过15年，从第一个原型到广泛的医疗用途。
In fact, it took more than 15 years to go from the first prototype to widespread medical use.
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