Gulelala, et al. “Prevalence of Inflammatory Backache and Radiographic Axial Spondyloarthritis Among Patients With Musculoskeletal Backache in Outdoor Patients of Rheumatology Department at PIMS Hospital”. Pakistan Armed Forces Medical Journal, vol. 76, no. SUPPL-2, Mar. 2026, pp. S401-S404, https://doi.org/10.51253/pafmj.v76iSUPPL-2.11338.