1. Poonacha TK, Go RS (2011) Level of scientific evidence underlying recommendations arising from the national comprehensive cancer network clinical practice guidelines. J Clin Oncol 29(2):186–191
2. Tricoci P, Allen JM, Kramer JM, Califf RM, Smith SC Jr (2009) Scientific evidence underlying the ACC/AHA clinical practice guidelines. JAMA 301(8):831–841
3. Sackett DL, Richardson WS, Rosenberg W, Haynes RB (1997) Evidence-based medicine. How to practice & teach EBM. New York, Edingburgh, London, Madrid, Churchill Livingstone
4. Bock KD (1993) Handlungen: Definition Medizin, theoriegeleitetes ärztliches Handeln, Anwendungs- und Handlungswissenschaft: 16. Wissenschaftliche und alternative Medizin Paradigmen – Praxis – Perspektiven. Springer, Berlin
5. Antonovsky A (1994) The structural sources of Salutogenic strengths. In: Cooper CL, Payne R (Hrsg) Individual differences: Personallity and stress. Wiley, New York, S 67–104