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. Author manuscript; available in PMC: 2014 Feb 27.
Published in final edited form as: World Neurosurg. 2011 Nov 11;79(2):394–403. doi: 10.1016/j.wneu.2010.12.007

Figure 2.

Figure 2

Cushing’s handwritten note documenting the reasons for the mastoid operation in Transsphenoidal Case 1. “It was conjectured that the chronic suppurative process might bear some relation to the ductless gland disturbance. Hence the operation. HC.”