Learmonth, Y. C., Motl, R. W., Sandroff, B. M., Pula, J. H., & Cadavid, D. (2013). Validation of patient determined disease steps (PDDS) scale scores in persons with multiple sclerosis. BMC neurology, 13(1), 37. https://doi.org/10.1186/1471-2377-13-37
Chicago-Zitierstil (17. Ausg.)Learmonth, Yvonne C., Robert W. Motl, Brian M. Sandroff, John H. Pula, und Diego Cadavid. "Validation of Patient Determined Disease Steps (PDDS) Scale Scores in Persons with Multiple Sclerosis." BMC Neurology 13, no. 1 (2013): 37. https://doi.org/10.1186/1471-2377-13-37.
MLA-Zitierstil (9. Ausg.)Learmonth, Yvonne C., et al. "Validation of Patient Determined Disease Steps (PDDS) Scale Scores in Persons with Multiple Sclerosis." BMC Neurology, vol. 13, no. 1, 2013, p. 37, https://doi.org/10.1186/1471-2377-13-37.