Resources for observational comparative research have expanded enormously in recent years to include very large sources of ...

Causal inference in observational settings seeks to estimate the effect of exposures, treatments or interventions on outcomes in the absence of random assignment. Unlike experimental designs, ...

In the article that accompanies this editorial, Lu et al 5 conducted a systematic review on the use of instrumental variable (IV) methods in oncology comparative effectiveness research. The main ...

Background Yaws is a chronic infectious disease that disproportionately affects under-reached communities. In 2023, Papua New ...