" Marijuana Medicine; A world tour of the healing and visionary powers of cannabis”, Christian Ratsch, 2001, Healing Arts Press, p. 23 – Appellants Book of Authorities Tab 15
Marijuana Medicine: A world tour of the healing and visionary powers of cannabis, Christian Ratsch, 2001, Healing Arts Press, p. 23 – Recueil de jurisprudence et doctrine des appelants, onglet 15