title: Histocompatibility typing and the counseling of families with ankylosing spondylitis.
abstract: White individuals who are HLA B27-positive have an increased risk of developing ankylosing spondylitis or related diseases. HLA typing can be used in counseling relatives of persons with spondylitis, if the limitations of presently available data are recognized.
mesh_terms: D000328:Adult; D000368:Aged; D002648:Child; D005817:Genetic Counseling; D006680:HLA Antigens; D006650:Histocompatibility Testing; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D013167:Spondylitis, Ankylosing / Q000235:genetics* / Q000276:immunology
chemical_list: D006680:HLA Antigens