Ankylosing spondylitis in two families showing involvement of female members only. With a search for linkage to genes determining blood group antigens.
D000844:Ankylosis; D001789:Blood Group Antigens; D005260:Female; D008040:Genetic Linkage; D006801:Humans; D013166:Spondylitis; D013167:Spondylitis, Ankylosing / Q000235:genetics*
D001789:Blood Group Antigens
BLOOD GROUPS; SPONDYLITIS, ANKYLOSING/genetics