From the AJR archives: celebrating the ARRS Centennial. Development of diagnostic criteria in echographic study of abdominal lesions.1970.
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D000008:Abdominal Neoplasms / Q000000981:diagnostic imaging*; D049673:History, 20th Century; D006801:Humans; D010506:Periodicals as Topic / Q000266:history*; D014463:Ultrasonography