Kidnapillai, S.Sirisena, N.D.Dissanayake, V.H.W.2019-02-202019-02-202016-06The Ceylon Medical Journal, 61(2):p.71-73https://dl.nsf.gov.lk/handle/1/24379HLA-B27 allele frequencySpondyloarthritidesHLA-B27 allele frequency in Sri Lankan patients with spondyloarthritidesArticle