Zeynel Güldoğan, Emel Ekşioğlu, Hikmet Fırat, and Aytül Çakcı. “Pulmonary Involvement in Rheumatoid Arthritis”. Archives of Rheumatology 22, no. 3 (September 30, 2007): 097–103. Accessed October 7, 2025. http://www.anadolupsikiyatri.net/index.php/pub/article/view/230.