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- [3] HLA-B27 AND RISK OF ANKYLOSING-SPONDYLITIS BMJ-BRITISH MEDICAL JOURNAL, 1978, 2 (6138): : 650 - 651
- [9] ANKYLOSING-SPONDYLITIS AND HLA-B27 TISSUE ANTIGEN .2. HLA-B27 NEGATIVE CLASSICAL ANKYLOSING-SPONDYLITIS - NO SEPARATE NOSOLOGICAL ENTITY ZEITSCHRIFT FUR RHEUMATOLOGIE, 1977, 36 (7-8): : 224 - 229