title: John Julian Wild--pioneer in ultrasonography.
authors.forename: M A
authors.initials: MA
authors.lastname: Shampo
authors.forename: R A
authors.initials: RA
authors.lastname: Kyle
mesh_terms: D049673:History, 20th Century; D006801:Humans; D010678:Philately; D014463:Ultrasonography / Q000266:history*; D006113:United Kingdom; D014481:United States