TY - RPRT TI - Measurement variability in upper extremity posture among VDT users. AU - D J Ortiz AU - M Marcus AU - F Gerr AU - W Jones AU - S Cohen PY - 1997 DO - 10.1016/s0003-6870(96)00053-1 UR - https://pubmed.ncbi.nlm.nih.gov/9414349/ ID - 9414349 ER -