Wild ideas. Medical researcher and inventor John Julian Wild led the field of ultrasound medicine.
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D035843:Biomedical Research / Q000266:history*; D004739:England; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D014159:Transducers / Q000266:history*; D014463:Ultrasonography / Q000266:history*; D014481:United States