1. Worboys, op. cit. (note 2), 182.
2. Quoted after Tröhler, op. cit. (note 74), 37.
3. Worboys, op. cit. (note 2), 182, cites C. Keetley, Index of Surgery (London: Smith, Elder, 1881), 33.
4. Worboys, op. cit. (note 2), 189.
5. Mikulicz, op. cit. (note 50), 37.