Efficacy of microcurrent stimulation on pain severity, psychological stress, and disability.
Tan, Gabriel, Monga, Trilok and Thornby, John. Efficacy of microcurrent stimulation on pain severity, psychological stress, and disability. American Journal of Pain Management, 10(1):35-44, 2000. Unedited abstract with rebuttal to the editor. This is a VA study with a negative outcome (also see Tan, 2006 and 2009, above, showing this same research group continuing their use of Alpha-Stim with good results)