%0 Journal Article %T Beyond factor analysis: Multidimensionality and the Parkinson¡¯s Disease Sleep Scale-Revised %A Andrea M. Loftus %A Caitlin F. Timms %A Maria E. Pushpanathan %A Meghan G. Thomas %A Michelle Olaithe %A Natalie Gasson %A Romola S. Bucks %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0192394 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5809063/