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
Citácia podle Chicago (17th ed.)Learmonth, Yvonne C., Robert W. Motl, Brian M. Sandroff, John H. Pula, a 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.
Citácia podľa MLA (8th ed.)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.