14235
RESULTS : For neonates and young infants less than 2 months of age , the median central clearance was 0 . 133 and 0 . 149 L / h / kg for piperacillin and tazobactam , respectively .
 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