An inexpensive polypill is probably one of the best ways to solve the world’s heart problems, prominent cardiologists say. Never heard of a polypill? You’re not alone. This approach to medication for ...

This list of combination skin problems is so relatable and ever confusing for the person with this skin type, it is insane. Do you have combination skin? It might take you years to figure that out, ...

We propose a locally efficient estimator for a class of semiparametric data combination problems. A leading estimand in this class is the average treatment effect on the treated (ATT). Data ...