Selenium (SE) and its compounds are used in photographic devices, gun gluing, plastics, paints, anti-dandruff shampoos, vitamin and mineral supp., fungicides, a

This User’s Guide is a resource for investigators and stakeholders who develop and review observational comparative effectiveness research protocols. It expla

WHO has published a global TB report every year since 1997. The main aim of the report is to provide a comprehensive and up-to-date assessment of the TB epidemi

Analyzes the costs, risks, and economic rewards of pharmaceutical R&D and the impact of public policy on both costs and returns. Examines the rapid increase in