Figure 1. The electricity supply chain uses step-up and step-down transformers, supplying users with 3-phase and single-phase AC power. (Image: U.S. Federal Energy Regulatory Commission and U.S.

Pfizer and Arvinas’ estrogen receptor (ER) degrader has failed a key part of its first phase 3 test, although the companies have pointed to success in a subpopulation to suggest the therapy ...