rheumatoid-like factor

例句：

1. 1. Thedoctor found a rheumatoid-like factor in the patient's blood.
   医生在病人的血液中发现了类风湿因子。
2. 2. The study aims to identify the rheumatoid-like factor that maybe responsible for the patient's symptoms.
   该研究旨在识别可能引起患者症状的类风湿因子。
3. 3. The researcher discovereda rheumatoid-like factorin the patient's urine sample.
   研究者在患者的尿液样本中发现了类风湿因子。