1. Potter P . Hippocrates, On Glands, Loeb Classic Library, Vol VIII, Harvard University Press: Cambridge, 1995, pp 108–125.
2. Jouanna J . Hippocrates. Johns Hopkins University Press: Baltimore and London, 1999, 393.
3. Jones WHS . Hippocrates, Ancient Medicine. Loeb Classic Library, Vol I, Harvard University Press: Cambridge, 2004, pp 12–63.
4. Potter P . Hippocrates, Places in Man. Loeb Classic Library, Vol VIII, Harvard University Press: Cambridge, 1995, pp 18–101.
5. Garofalo I . Galeno, Procedimenti Anatomici, Vol III, Biblioteca Universale Rizzoli: Milano, 2002, 1011.