Cohen, M R <br/><br/>
Baseline relationships between psoriasis and psoriatic arthritis: analysis of 221 patients with active psoriatic arthritis. Department of Veterans Affairs Cooperative Study Group on Seronegative Spondyloarthropathies.  [electronic resource] 

 -  The Journal of rheumatology  Aug 1999 
 - 1752-6 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0315-162X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arthritis--epidemiology<br/>Arthritis, Psoriatic--epidemiology<br/>Demography<br/>Disease Progression<br/>Erythema--etiology<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Psoriasis--epidemiology