Psychometric properties of a new treatment expectation scale in rheumatoid arthritis: an application of item response theory
BMC Musculoskeletal Disorders, 16, 239, p. 239, September 2015.DOI: https://doi.org/10.1186/s12891-015-0690-3Ibrahim, F., Ayis, S., Hofmann, D., Rose, D., Wykes, T., Cope, A., Scott, D. L. & Lempp, H.