Gul, Haris, et al. “EFFECTS OF TIMING OF PREDNISOLONE ON THE DURATION OF EARLY MORNING STIFFNESS, PAIN AND DISEASE ACTIVITY SCORE (DAS-28) IN PATIENTS WITH RHEUMATOID ARTHRITIS: Prednisolone in Patients With Rheumatoid Arthritis”. Pakistan Armed Forces Medical Journal, vol. 67, no. 5, Oct. 2017, pp. 832-37, https://www.pafmj.org/PAFMJ/article/view/980.