%0 Journal Article %B J Occup Environ Med %D 2017 %G eng %N 4 %P e24-e34 %R 10.1097/JOM.0000000000001000 %T Personal and Workplace Environmental Factors Associated With Reduced Worker Productivity Among Older Workers With Chronic Knee Pain: A Cross-Sectional Survey. %V 59 %1 https://www.ncbi.nlm.nih.gov/pubmed/28628054?dopt=Abstract