Frei, H

von Ammon, K; Sauter, U; Frei, H; Thurneysen, A; Frei-Erb, M (2011). Integrated medical treatment in children suffering from attention deficit disorder with and without hyperactivity - long-term follow-up. In: 4th European Congress for Integrated Medicine. Berlin, Germany. 7-8 October 2011.

von Ammon, K; Frei, H; Sauter, U; Everts, R; Walter, D; Kaufmann, F; Hsu, Schmitz S-F; Steinlin, M; Thurneysen, A; Frei-Erb, M (2010). From GP practice to RCT research: Treating the complexity of ADHD with the individuality of homeopathic remedies. In: 25th Congress of Hungarian Acupuncture Association (p. 28). Hungarian Acupuncture Association

von Ammon, K; Frei, H; Sauter, U; Kaufmann, F; Hsu, Schmitz S-F; Steinlin, M; Thurneysen, A (2010). 2010. In: 25th Congress of Hungarian Acupuncture Association (p. 30). Hungarian Acupuncture Association

Frei, H; Everts, R; von Ammon, K; Kaufmann, F; Walther, D; Schmitz, S-F Hsu; Collenberg, M; Steinlin, M; Lim, C; Thurneysen, A (2007). Randomised controlled trials of homeopathy in hyperactive children: treatment procedure leads to an unconventional study design. Experience with open-label homeopathic treatment preceding the Swiss ADHD placebo controlled, randomised, double-blind, cross-over trial. Homeopathy, 96(1), pp. 35-41. Oxford: Elsevier 10.1016/j.homp.2006.11.004

Frei, H; von Ammon, K; Thurneysen, A (2006). Treatment of hyperactive children: increased efficiency through modifications of homeopathic diagnostic procedure. Homeopathy, 95(3), pp. 163-70. Oxford: Elsevier 10.1016/j.homp.2006.05.007

Frei, H; von Ammon, K; Everts, R; Thurneysen, A (2006). Homöopathische Behandlung von hyperaktiven Kindern Ergebnisse einer randomisierten, placebo-kontrollierten Doppelblindstudie mit Crossover. Zeitschrift für klassische Homöopathie ZKH(50), pp. 5-12. Stuttgart: Haug

Frei, H; von Ammon, K; Thurneysen, A (2006). Optimierung des homöopathischen Behandlungskonzepts bei Kindern mit ADS/ADHS. Erfahrungsheilkunde EHK, 55(4), pp. 177-185. Stuttgart: Haug in MVS-Medizinverl. 10.1055/s-2006-932323