Prasad, K. ., Kumar, A. ., Misra, S. ., Yadav, A. ., Johri, S. ., Sarkar, R. ., … study, group. F. I. (2018). Reliability and validity of telephonic Barthel Index: an experience from multi-centric randomized control study. Acta Neurologica Belgica. https://doi.org/10.1007/s13760-017-0843-2 (Original work published 2018)