Ligtvoet, C Real time ultrasonic imaging with a hand-held scanner. Part I--technical description. [electronic resource] - Ultrasound in medicine & biology 1978 - 91-2 p. digital Publication Type: Journal Article ISSN: 0301-5629 Standard No.: 10.1016/0301-5629(78)90033-9 doi Subjects--Topical Terms: Miniaturization--instrumentationUltrasonics--instrumentationUltrasonography