a practitioner's guide ROBERT GILL. creator text Electronic books. xx Place of publication not identified] HIGH FREQUENCY PUBLISHING. monographic eng 1 online resource Diagnostic ultrasonic imaging HEALTH & FITNESS Diseases General MEDICAL Clinical Medicine MEDICAL Diseases MEDICAL Evidence-Based Medicine MEDICAL Internal Medicine Diagnostic ultrasonic imaging RC78.7.U4 616.07543 0987292137 9780987292131 http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=1432712 http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=1432712 YDX 161209 20210825162438.0 ocn965761031 eng