The origin of the modern endoscope.
Walsh
A
A
D003558:Cystoscopy / Q000266:history; D004724:Endoscopy / Q000266:history*; D004739:England; D005336:Fiber Optic Technology; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D014481:United States; D014572:Urology / Q000266:history