Rheumatoid arthritis (RA) causes premature mortality, disability and compromised quality of life in the industrialized and developing world (1). Rheumatoid arthritis is a systemic inflammatory disease which manifests itself in multiple joints of the body.
A baritone is the most common type of male voice whose range lies midway between the high tenor voice and the low bass voice. In comedic operas, he is often the leader of the funny business, but he can also be the hero, who sacrifices himself for the tenor or soprano, or the villain.
Adj. 1. tenor - (of a musical instrument) intermediate between alto and baritone or bass; a tenor sax. music-an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner. high-pitched, high-used of sounds and voices; high in pitch or frequency.