TY - RPRT TI - Long-term effects on symptoms by reducing electric fields from visual display units. AU - G Oftedal AU - A Nyvang AU - B E Moen PY - 1999 DO - 10.5271/sjweh.454 UR - https://pubmed.ncbi.nlm.nih.gov/10569461/ ID - 10569461 ER -