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肺癌组与其它肺部疾病组血清样本（A）和尿液样本（B）OPLS-DA代谢模式识别图。蓝色圆点代表肺癌患者，红色菱形代表其它肺部疾病患者。
OPLS-DA scores plot discriminating serum (A) and urine (B) samples of lung cancer patients and patients with other lung diseases based on the metabolite profiling data. Blue circles indicate lung cancer patients; red diamonds indicate patients with other lung diseases.
