Yani, H., Dewi, S. and Rahmadi, A. R. (2019) “Correlation between Serum Krebs von den Lungen-6 Levels with Forced Vital Capacity and Modified Rodnan Skin Score of Patients with Restrictive Lung Disease in Diffuse-Type Systemic Sclerosis”, Indonesian Journal of Rheumatology, 11(2). doi: 10.37275/ijr.v11i2.133.