Please provide your email address to receive an email when new articles are posted on . “Overall, this was a pretty provocative study,” Sparks, an associate professor of medicine at Harvard Medical ...

Observational studies provide crucial information early during epidemics and pandemics, but they often suffer from methodological shortcomings, which can be resolved. Scientific research is a ...

• Accounting for bias is a major challenge confronting the use of observational data to gain important insights into real-world treatment effects. • No single study design will satisfy all information ...