Pulsed Shortwave Neuromodulation Therapy (ActiPatch®) Study in Chronic Lower Back Pain. FREDERICK, MD, March 08, 2019 (GLOBE NEWSWIRE) — via NEWMEDIAWIRE — BioElectronics Corporation (OTC PINK: BIEL) https://www.bielcorp.com is pleased to announce the commencement of a clinical study investigating….