The role of chest X-ray in the early diagnosis and staging of sarcoidosis: Is it really should be done? Aysu Sinem Koc; Güray Oncel; Ozlem Ince; Fidan Sever; Senol Kobak;

Elderly-onset sarcoidosis: A single center comparative study Senol Kobak; Fidan Yildiz; Huseyin Semiz; Mehmet Orman;

Increased circulating interleukin-23 level in patients with sarcoidosis Senol Kobak; Huseyin Semiz; Muhittin Akyildiz; Ayse Gokduman; Tennur Atabay; Huseyin Vural;