X-Ray, CT, Nuclear Medicine Abbreviations - U 1 - 7 (of 7) •UBO-USDW • UBO Unidentified Bright Object • UCA Ultrasonic Contrast Agents • UmbA Umbilical Artery • US UltraSound • USAN United States Adopted Names • USCAs Ultrasound Contrast Agents • USDW Underground Source of Drinking Water 1 - 7 (of 7) •UBO-USDW Do not worry about your difficulties in Mathematics. I can assure you mine are still greater. - Albert Einstein |