7003
From the results , it can be concluded that apigenin and naringenin have the synergistic effect with ceftazidime to reverse bacterial resistance to this cephalosporin against CREC .
 Chemical: apigenin; Chemical: naringenin; Chemical: ceftazidime; Chemical: cephalosporin
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: apigenin; Chemical: naringenin; Chemical: ceftazidime; Chemical: cephalosporin