4458
These findings underscore the critical role of C5 in the generation of chemotactic activity and in cytolytic reactions , as opposed to a nonobligatory or minimal role in opsonization , at least for the organisms under study . .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 None