1. Avicenna (1555) Liber Canonis, 2.2.84. Giunta, Venice, p 108
2. Dioscorides (2005) Materia medica (trans: Beck LY). Olms, Hildesheim/Zürich/New York, pp 19–20
3. Fuchs L (1555) De usitata…medicamentorum ratione, 2.15.45–49. J. Oporinus, Basel, pp 293–295
4. Galen (1821–1823) De antidotis, 1. Ed. Kühn XIV, p 7
5. Idem (1821–1823) De simplicium medicamentorum temperamentis ac facultatibus, 6.2. Ed. Kühn XI, p 846