18878
According to our best knowledge , it is the first report on the EGCG synergy with oxytetracycline .
 Chemical: EGCG; Chemical: oxytetracycline
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: EGCG; Chemical: oxytetracycline