title: Centennial sounding board. Sonography: unlikely success, uncertain future.
authors.affiliation: Department of Radiology, Division of Ultrasound, Thomas Jefferson University Hospital, Philadelphia, PA 19107-5244, USA.
authors.forename: C R
authors.initials: CR
authors.lastname: Merritt
mesh_terms: D006801:Humans; D014463:Ultrasonography / Q000706:statistics & numerical data*