accident immune factor的用法和样例：
- Conclusion: There could be exist multiple causes of sterility; salpingitis caused by medical abortion deserves more attention; the significance of the immune factor is in need of further recognition.
- Immune factors cells have also been associated with glaucomatous neurodegeneration.
- This article gives an update on hair dye dermatitis-related immune factors and genetic susceptibilities.
- I saw the whole accident with my own eyes.