Carfentanil, a more potent derivative of fentanyl, is causing thousands of overdose deaths, according to the CDC, which reports a big increase in the drug beginning in 2023.

The summed sigmoid function (Eq.1) can be used to determine compliance analytically as the first derivative (dD/dL; Figure 2).

June 2, 2022 - On May 13, 2022, the 9th U.S. Circuit Court of Appeals held that a corporate bylaw requiring stockholders to bring derivative claims in the Delaware Court of Chancery could be ...