Lffler's blood serum

例句：

1. 1. The doctor ordereda blood test to check the patient's Lffler's blood serumlevels.
   医生要求进行血液测试，以检查患者的利弗氏血清水平。
2. 2. Theresearch team collected samples from various sources toanalyze the Lffler's bloodserum composition.
   研究团队从各种来源收集样本，以分析利弗氏血清成分。
3. 3. The patient's Lffler's blood serum tests showed abnormal results, indicating an underlying medical condition.
   患者的利弗氏血清测试结果显示异常，暗示着潜在的医疗状况。