Kumar, S., Bhatia, M., & Behari, M. (2003). Excessive daytime sleepiness in Parkinson's disease as assessed by Epworth Sleepiness Scale (ESS). Sleep medicine, 4(4), 339-342. https://doi.org/10.1016/S1389-9457(03)00105-9
Chicago Style (17th ed.) CitationKumar, Suresh, M. Bhatia, and M. Behari. "Excessive Daytime Sleepiness in Parkinson's Disease as Assessed by Epworth Sleepiness Scale (ESS)." Sleep Medicine 4, no. 4 (2003): 339-342. https://doi.org/10.1016/S1389-9457(03)00105-9.
MLA (9th ed.) CitationKumar, Suresh, et al. "Excessive Daytime Sleepiness in Parkinson's Disease as Assessed by Epworth Sleepiness Scale (ESS)." Sleep Medicine, vol. 4, no. 4, 2003, pp. 339-342, https://doi.org/10.1016/S1389-9457(03)00105-9.
Warning: These citations may not always be 100% accurate.