Columbia subject headings:
Diagnosis--History.
Medical innovations--History.
Medical innovations--Social aspects.
Medical instruments and apparatus--History.
Medicine--History.
Harvard subject headings:
Diagnosis--History.
Medical innovations--History.
Medical innovations--Social aspects
Medical instruments and apparatus--History.
Medical technology--History.
Medicine--History
Princeton subject headings:
Diagnosis--History.
Medical innovations--Social aspects.
Medical technology--History.
Medicine--History.