Hava Üsküdar TEKE, Arzu Erdem TAŞDEMİR, and Mustafa ÖZEN3, “The Importance of Determining the Drug Agent Responsible for Pancytopenia in Patients with Rheumatoid Arthritis and Additional Systemic Diseases”, Archives of Rheumatology, vol. 28, no. 2, pp. 123–127, Jun. 2013.