18062
The procedure was to reduce liver AOX activity by providing tungsten or hydralazine in the drinking water or to use the AOX - deficient DBA / 2 mouse strain .
 Chemical: tungsten; Chemical: hydralazine
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: tungsten; Chemical: hydralazine