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APA Citation
Nixon, A., Doll, H., Kerr, C., Burge, R., & Naegeli, A. (2016). interpreting change from patient reported outcome (PRO) endpoints: patient global ratings of concept versus patient global ratings of change, a case study among osteoporosis patients. Health and quality of life outcomes, 14(1), 1–12. http://access.bl.uk/ark:/81055/vdc_100080436398.0x00007b