Factors associated with poor sleep quality in patients with multiple sclerosis differ by disease duration. Vitkova M, Gdovinova Z, Rosenberger J, Szilasiova J, Nagyová I, Mikula P, Krokavcova M, Groothoff JW, van Dijk JP Disabil Health J. 2014 Oct; 7(4):466-71. Epub 2014 Jun 07. PMID: 25224987. Abstract CommentRecommendBookmarkWatch