Zeynel Güldoğan, Emel Ekşioğlu, Hikmet Fırat, & Aytül Çakcı. (2007). Pulmonary Involvement in Rheumatoid Arthritis. Archives of Rheumatology, 22(3), 097–103. Retrieved from http://anadolupsikiyatri.net/index.php/pub/article/view/230