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APA Citation
Larkin, L., Nordgren, B., Purtill, H., Brand, C., Fraser, A., & Kennedy, N. (2016). criterion Validity of the activPAL Activity Monitor for Sedentary and Physical Activity Patterns in People Who Have Rheumatoid Arthritis. Physical therapy, 96(7), 1093–1101. http://access.bl.uk/ark:/81055/vdc_100130427347.0x000052