Hatemi, Gülen Reply to letter by Priori et al commenting on whether Behçet's syndrome patients with acne and arthritis comprise a true subset. [electronic resource] - Arthritis and rheumatism Jan 2010 - 305-6 p. digital Publication Type: Comment; Letter ISSN: 0004-3591 Standard No.: 10.1002/art.27181 doi Subjects--Topical Terms: Acne Vulgaris--classificationBehcet Syndrome--classificationHLA-B27 Antigen--immunologyHumansSacroiliac Joint--immunologySpondylarthritis--classification