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| Ankylosing Spondylitis |
| The form of rheumatoid arthritis affecting the spine. It occurs predominantly in young males and produces pain and stiffness as a result of inflammation of the sacroiliac, intervertebral, and costovertebral joints. Etiology is unknown. |
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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Free Medical Dictionary Software |