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Two black male patients with aortic insufficiency were later found to have mild, asymptomatic ankylosing spondylitis, evident from roentgenograms and from the presence of HLA-B27 antigen. The two cases emphasize that even "subclinical" ankylosing spondylitis may have aortic insufficiency, and that the uncommon occurrence of ankylosing spondylitis in black patients may also be associated with this extra-articular manifestation.
(JAMA 240:2652-2653, 1978)
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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