14239
Both internal and external evaluations supported the prediction of the final piperacillin and tazobactam PK models .
 Chemical: piperacillin; Chemical: tazobactam
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: piperacillin; Chemical: tazobactam