1541
Whereas the mechanism of nonopsonic phagocytosis of Pseudomonas aeruginosa has been described, the bacterial ligands required are poorly understood.
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 None