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| |  | ||  \ \\/ // | \  / ||   / _ \\   /_   _// 
| |/\| ||   \ ` //  |  \/  ||  / //\ \\  `-| |,-  
|  /\  ||    | ||   | .  . || |  ___  ||   | ||   
|_// \_||    |_||   |_|\/|_|| |_||  |_||   |_||   
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Text this: Periodontal disease in Thai patients with rheumatoid arthritis