Filiz Eser, Hatice Bodur, Ümit Seçkin, and Pınar Eroğlu. 2009. “A Psoriatic Arthritis Case With Skin Manifestations Occurring 20 Years After the Arthritis”. Archives of Rheumatology 24 (2):110-12. http://anadolupsikiyatri.net/index.php/pub/article/view/305.