conclusions the use of tdf in patients with hbeag-negative chb seemed to be a highly cost-effective strategy. compared with the other available medication options, tdf was the most cost-saving strategy. thus, tdf may be the best option as a first-line medication. patients can also be switched from other medications to tdf. results the results revealed that the tdf treatment strategy was more ef...

Companies find it challenging and yet strangely reassuring to take on opponents whose strategies, strengths, and weaknesses resemble their own. Their obsession with familiar rivals, however, has blinded them to threats from disruptive, low-cost competitors. Successful price warriors, such as the German retailer Aldi, are changing the nature of competition by employing several tactics: focusing ...