a Hagen-Ansert, Sandra L. \a Textbook diagnostic sonography \h (Text) \c by Sandra L. Hagen-Ansert - \a Eight edision - \a China : \b Elsevier, 2018 - \a xix,143p. : \b Ills. \a Includes index ISBN: \a 978032353755 LC Class. No.: \a RC 78.7.D86 Hag / \b 513188