TY - RPRT TI - Long-term refractive and phoric changes in visual display unit (VDU) operators. AU - F M Grignolo AU - A Di Bari AU - B Bellan AU - L Camerino AU - G Maina DO - 10.1177/112067219800800205 UR - https://pubmed.ncbi.nlm.nih.gov/9673475/ ID - 9673475 ER -