3902
Twenty - four patients were anaesthetized for middle - ear surgery with deliberate hypotension induced by labetalol with isoflurane ( hypotensive group ) .
 Disease: hypotension; Chemical: labetalol; Chemical: isoflurane; Disease: hypotensive
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:
 Disease: hypotension; Chemical: labetalol; Chemical: isoflurane; Disease: hypotensive