Official reprint from UpToDate
©2017 UpToDate, Inc. and/or its affiliates. All Rights Reserved.
Medline ® Abstract for Reference 115
of 'Comorbid disease in psoriasis'
Study of sleep quality in patients with psoriasis
Yang X-Q, You L, Zhang-Rui J
J Invest Dermatol. 2007;127:1809.