title: Early history of diagnostic ultrasound: the role of American radiologists.
authors.affiliation: Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, PA 19107.
authors.forename: B B
authors.initials: BB
authors.lastname: Goldberg
authors.forename: R
authors.initials: R
authors.lastname: Gramiak
authors.forename: A K
authors.initials: AK
authors.lastname: Freimanis
mesh_terms: D049673:History, 20th Century; D011871:Radiology / Q000266:history*; D014463:Ultrasonography / Q000266:history*; D014481:United States