1. Boenninghausen's Therapeutisches Taschenbuch;Boenninghausen,2000
2. Schuricht U. Bemerkungen zur Gradierung der Arzneimittel in Boenninghausens Therapeutischem Taschenbuch. Unpublished results, 2009.
3. Gypser KH. “Inttermittierende Empfindungen” – Versuch einer Rubirkenerstellung. Lecture held at the Gleeser Akademie homöopathischer Aerzzte, 2008.
4. Improving homeopathic prescribing by applying epidemiological techniques: the role of likelihood ratio;Stolper;Homeopathy,2002
5. Repertory and likelihood ratio: time for structural changes;Rutten;Homeopathy,2004