6990
Synergistic activity and mechanism of action of ceftazidime and apigenin combination against ceftazidime - resistant Enterobacter cloacae .
 Chemical: ceftazidime; Chemical: apigenin; Chemical: ceftazidime
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ceftazidime; Chemical: apigenin; Chemical: ceftazidime