A team of experts uses a spectrometer to test an Apollo 17 sample, which showcases depleted levels of sulfur-33 (or 33S).

In a nationally representative sample of 1.1 million homes, we compared the prevalence of smoking among 33,000 deceased women and 41,000 deceased men (case subjects) with the prevalence of smoking ...

For a desired power of detecting the association between a disease and several potential risk factors in case-control studies, Yang (1978, Biometrika 65, 635-640) and Halperin (1980, Biometrika 67, ...

These case studies are designed to be used as part of ethics education in chemistry. The case studies were written for use in workshops or classrooms where each scenario can be read by the ...

Table 1. Determining Whether an AE Should Be Reported Through the FDA Expedited Process Contrary to FDA guidance, investigators often send SAE reports to sponsors that incorrectly categorize AEs as ...

Pesticide residue analysis in food remains a vital component of food safety and human exposure assessment, particularly as the field of exposomics encourages a more holistic view of chemical exposure ...

In epidemiologic studies and disease prevention trials, interest often involves estimation of the relationship between some disease endpoints and individual exposure. In some studies, due to the ...

When a buyer who is in the market for a product or service has narrowed their choices down to a handful of options, being able to deliver a well-conceived and well-designed case study that speaks to ...