Muhammad, S., Fakhr, A., Manzar, M. A., Hakim, F., Khan, T. A. & Ahmad, B. (2019). FREQUENCY OF HUMAN LEUKOCYTE ANTIGEN B27(HLA-B27) IN CLINICALLY DIAGNOSED ANKYLOSING SPONDYLITIS; A STUDY OF 100 CASES. Pakistan Armed Forces Medical Journal, 69(6), 1194-1198. [More]