rheumatoid factor-like substance

例句：

1. 1. The test is designed to detectrheumatoid factor-like substances in the blood.
   该测试旨在检测血液中的类风湿因子样物质。
2. 2. Thepatient's condition worsened, anda rheumatoid factor-likesubstance was detected in his blood.
   患者的病情恶化，他的血液中检测到了类风湿因子样物质。
3. 3. The research team found thatthis substance could be used as a potentialtreatment for rheumatoid arthritis.
   研究团队发现，这种物质可以作为治疗类风湿关节炎的潜在治疗方法。