@misc{indiciae991a0a6f775e, title = {HLA-B27 polymorphism.}, author = {E J Ball and M A Khan}, year = {2001}, doi = {10.1016/s1297-319x(01)00294-9}, url = {https://pubmed.ncbi.nlm.nih.gov/11707003/}, note = {Source identifier: 11707003} }