2014
Debrisoquine phenotype and the pharmacokinetics and beta - 2 receptor pharmacodynamics of metoprolol and its enantiomers .
 Chemical: Debrisoquine; Chemical: metoprolol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Debrisoquine, metoprolol 
Answer:
 Chemical: Debrisoquine; Chemical: metoprolol