I have used the Sota.
http://www.sota.com/bio-tuner.html
Here is another I have found but haven’t tried.
Dr. Margaret Patterson, a Scottish surgeon, visiting the US from England. Dr. Patterson’s work was featured in the January 1983 issue of Omni magazine when Peter Townsend, a British rock star, went public after stopping his slide into ”drugged oblivion”. The article, ”Brain Tuner”, by Kathleen McAuliffe caught Bob Beck’s attention. Dr. Patterson had developed a ”black box” to help her patients with their addictions after working with Dr. H. L. Wen in Hong Kong using electroacup ...
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