4132
RESULTS : Both valsartan and amlodipine were effective at lowering blood pressure at 4 , 8 , and 12 weeks .
 Chemical: valsartan; Chemical: amlodipine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: valsartan; Chemical: amlodipine