3817
Barium - supplemented Long - Evans hooded rats were characterized by a persistent hypertension that was evident after 1 month of barium ( 100 micrograms / ml mineral fortified water ) treatment .
 Chemical: Barium; Disease: hypertension; Chemical: barium
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: Barium; Disease: hypertension; Chemical: barium