[Footnote 47: Giannone, (tom. ii. p. 119 - 127,) Muratori,
(Antiquitat. Medii Aevi, tom. iii. dissert. xliv. p. 935,
936,) and Tiraboschi, (Istoria della Letteratura Italiana,)
have given an historical account of these physicians; their
medical knowledge and practice must be left to our
physicians.]