Medical Therapy: Most medical therapies will work for a while, however in general resistance will start within a year or less. (dogbeachvet.com)
If they induce general resistance, Schweizer says, such bugs may well do more harm than good. (sciencemag.org)
What makes the Active line so intriguing is that Samsung doesn't skimp on the high quality essentials instead of focusing just on general resistance ratings. (androidauthority.com)