The sample was selected from the medical records of two general practices.

样本选自两个全科诊所的病历档案。

《柯林斯英汉双解大词典》

Even if only a minority agreed to discuss their childhoods and allow anonymous use of their medical records, that would be a huge sample.

只要有一小部分患者愿意回顾童年，允许匿名使用他们的医疗记录，就是一份很大的样本。

youdao

Results From 2004 to 2006, the medical service and incomes of sample hospitals were in line with economies of scale.

结果 2004—2006年，样本医院的服务量与业务收入两大产出均处于规模经济阶段。

youdao

In a 1998 Journal of American Medical Association paper, Drummond Rennie, an editor at JAMA, and his colleagues found that 11% of a sample of articles published in six major medical journals had been authored or co-authored by someone who is not listed among the writers.

FORBES

"The man in Canada has a diagnosed medical condition and we need the permission of those treating him to take a DNA sample - to do this we are seeking the assistance of the Canadian authorities, " said Det Supt Langley.

BBC: News | UK | Murder hunt heads for Canada

The medical society, which represents physicians, broke down the results by county, but in some cases the sample is small.

FORBES: Why Healthcare Reform Requires Market Reforms