1. Laboratoires Boiron, private communication, J Abecassis
2. National Center for Homeopathy Media Reports as published in Homeopathy Today, April 1993–February 1997
3. Data were collected from three US homeopathic manufacturers for the periods specified, Confidentiality of sources has been assured
4. Spence Information Systems (SPINS) audit of 12 months to 31 December, 1999, warehouse release data