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1·Raylene Lewis, 34, of College Station, Tex., had a frustrating experience with a now-defunct company, Acu-Gen, which guaranteed 99.9 percent accuracy with its blood tests.

雷琳刘易斯，34岁，德州卡城人，与目前已倒闭的公司Acu - Gen有过一次令人泄气的经历，Acu - Gen曾保证其血液测试有99.9%的准确性。