1. Ernst E: Complementary and alternative medicine. Lancet. 2001, 357: 802-803. 10.1016/S0140-6736(05)71227-7.
2. Steiner R, Wegman I: Grundlegendes für eine Ereiterung der Heilkunst nach geisteswissenschaftlichen Erkenntnissen. 1991, Dornach: Rudolf Steiner Verlag
3. Steiner R: Theosophie. 1987, Dornach: Rudolf Steiner Verlag
4. Richie J, Wilkinson J, Gantley M, Feder G, Carter Y, Formby J: A model of integrated primary care: anthroposophic medicine. 2001, London: London, National Centre for Social Research. Department of General Practice and Primary Care, St Bartholomew's and the Royal London School of Medicine and Dentistry, Queen Mary University of London
5. Büssing A: Mistletoe. The Genus Viscum. 2000, Amsterdam: Harwood Academic Publishers