And yet the park has become an inadvertent laboratory exploring the coexistence of a nature preserve with a resident population of some 130,000 humans and millions of summer visitors.
Population-based surveillance studies using laboratory-confirmed cases were sought for each incidence group by a computerized search of the scientific literature.
检索相关科学文献,为每个发病率组检索出基于人群监测研究并采用实验室检查确诊的病例数据。
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This is a large percentage of the population, said Thompson, who is also a member of UCLA's Brain Research Institute and the UCLA Laboratory of Neuro Imaging.