Effects of low-frequency cranial electrostimulation on the rest-activity rhythm and salivary cortisol in Alzheimer`s disease
Scherder, E., Knol, D., van Someren, E., Deijen, J-B, Binnekade, R., Tilders, F. and Sergeant, J. Effects of low-frequency cranial electrostimulation on the rest-activity rhythm and salivary cortisol in Alzheimer`s disease. Neurorehabilitation and Neural Repair, 17(2):101-108, 2003