Assertion: ankylosing spondylitis | /r/Causes | fever
Facets:
Source sentences:
text: It can cause fever, loss of appetite, and fatigue, and it can damage other organs besides the joints, such as the lungs, heart and eyes.
text: It can cause fever, loss of appetite, and fatigue, and it can damage other organs besides the joints, such as the lungs, heart, and eyes.