268
After base - line CBF was established , hexamethonium bromide ( 2 mg / kg iv ) , ipratropium bromide ( 0 . 5 microgram / kg iv ) , indomethacin ( 2 mg / kg iv ) , or intravenous 0 . 9 % saline was administered .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None