In most jurisdictions, morphine is classified as an ethical drug.

Here, we use data from FMDV serology in an endemic setting to probe strain-specific transmission and immunodynamics.

He might orchestrate the curved lines into stepped, hivelike hills punctuated by dark tunnels where ornate trains and buglike cars or buses chug in or out along extravagantly banked roadways or railroad beds defined by further lines.

Even if it has deeper foundations, risk management, as it is practiced today, is essentially a post-1960s phenomenon.