POSTERSCES in the Treatment of Chronic Pain and Depression. First steps of “Alpha-Stim” in LatviaEglite, Tatjanaa; Arajs, Eduardsb Author Information a Riga 1st Hospital, Riga Stradins University, Faculty of Rehabilitation, Riga, Latvia b EPI Baltija, Latvia International Journal of Rehabilitation Research 32():p S118, August 2009. Buy © 2009 Lippincott Williams & Wilkins, Inc.