LONDON, Aug 1 (Reuters) - Olympic women's badminton doubles quarter-final results on Wednesday. Results Table 2-Tian Qing/Zhao Yunlei (China) beat Cheng Wen-Hsing/Chien Yu-Chin (Taiwan) 21-10 21-14 Alex Bruce/Michele Li (Canada) beat Leanne Choo/Renuga Veeran (Australia) 21-9 18-21 21-18 4-Mizuki Fujii/Reika Kakiiwa (Japan) beat Kamilla Rytter Juhl/Christinna Pedersen (Denmark) 22-20 21-10 Valerya Sorokina/Nina Vislova (Russia) beat Michelle Edwards/Annari Viljoen (South Africa) 21-9 21-7
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