N. M. Saptarini, M. S. Wibowo, and T. Gusdinar, “CORRELATION STUDY OF AGE, DISEASE DURATION, AND ERYTHROCYTE SEDIMENTATION RATE AMONG THE INDONESIAN RHEUMATOID ARTHRITIS PATIENTS”, Int J Pharm Pharm Sci, vol. 7, no. 11, pp. 274–277, Nov. 2015.