Sedat Kaya, et al. “Fatal Interstitial Pneumonia As an Advers Reaction in Patient With Rheumatoid Arthritis: A Case Report”. Archives of Rheumatology, vol. 23, no. 3, Sept. 2008, pp. 103-5, https://www.archivesofrheumatology.org/index.php/pub/article/view/260.