Ankylosing spondylitis. Comparative analysis of Swedish (n = 780) and British (n = 1500) experience--the National Ankylosing Spondylitis Societies.
Elswood
J
J
Royal National Hospital for Rheumatic Diseases, Bath, Avon, England.
Calin
A
A
Berg
C
C
Rogers
F
F
D000328:Adult; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D013167:Spondylitis, Ankylosing / Q000453:epidemiology*; D011795:Surveys and Questionnaires; D013548:Sweden; D014837:Voluntary Health Agencies