The natural history of ankylosing spondylitis: is the disease really changing?
J Rheumatol
.
1989 Jul;16(7):860-3.
Authors
J F Fries
1
,
G Singh
,
D A Bloch
,
A Calin
Affiliation
1
Department of Medicine, Stanford University School of Medicine, CA 94305.
PMID:
2788741
No abstract available
Publication types
Comment
MeSH terms
Cohort Studies
Cross-Sectional Studies
Humans
Research Design / standards*
Spondylitis, Ankylosing / physiopathology*