The second in a series of eight case studies from the Product Quality Research Institute focuses on functional equivalence for equipment. Pharmaceutical manufacturers have an obligation to ensure that ...

In this first of a four-part series, the authors provide an introduction to a practical approach for establishing specification equivalence. The regulatory basis and compliance examples from FDA ...

At the heart of Einstein’s theory of gravity (general relativity) is the equivalence principle. The equivalence principle says that there is no difference between being stationary and subject to ...