Hamish Fraser of the U.S.-based non-profit group Partners in Health, says several studies have demonstrated how the technology can help patients.

VOA: standard.2010.02.24

Rather, people smile when they wish to communicate happiness and we know that from several studies.

相反，人们微笑是渴望能开心地交流,从一些研究中，我们知道。

耶鲁公开课 - 心理学导论课程节选

Crystal also points to several studies by scholars of the Coventry University in England and University of Washington that support the same theme.

VOA: standard.2010.01.16

"Atlas Shrugged" has been named in several opinion studies as one of the best and most influential books of the twentieth century.

VOA: special.2010.06.06

Studies support the theory that there are several causes, instead of a single environmental cause or genetic problem.

VOA: special.2009.01.06

Margaret attended several universities before completing her studies at Cornell University in Ithaca,New York in nineteen twenty-seven.

VOA: special.2009.05.10

Often combining the results of several similar studies can produce conclusions that the individual studies don't support.

VOA: standard.2010.03.25

Inspite of several ground breaking studies on autism, there is no single treatment or cure, although experts say certain therapies and educational approaches reduce the challenges associated with the condition.

VOA: standard.2010.03.23

Doctors rarely see these conditions. But studies have linked vitamin D deficiency to a number of serious health problems, including heart disease, several types of cancer, osteoporosis,diabetes, Alzheimer's disease and some autoimmune disorders.

VOA: standard.2010.05.28

"If you look at the large studies, that were published over the last several years, including a large number of patients comparing Avandia to a placebo or other drugs, there was actually no increase in that risk.

VOA: standard.2010.03.02