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 _____     _    _    _    _     ______    ______  
|  __ \\  | || | || | |  | ||  /_   _//  /_____// 
| |  \ || | || | || | |/\| ||   -| ||-   `____ `  
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|_____//   \____//  |_// \_||  /_____//  `__ `    
 -----`     `---`   `-`   `-`  `-----`   /_//     
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Text this: Difference in striae periodicity of Heilongjiang and Singaporean Chinese teeth