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119.

A 44-year-old woman comes to the doctor because of the stiffness of her hands occurring in mornings for several months. The stiffness usually subsides after more than one hour. What is the most probable cause of these symptoms?

A. osteoarthritis.
B. rheumatoid arthritis.
C. gout.
D. psoriasis.
E. ankylosing spondylitis

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