4159
The effect of the fatty acid cyclo - oxygenase inhibitor indomethacin on cerebral blood flow ( CBF ) and the metabolic rate for oxygen ( CMRO2 ) was studied in paralyzed and artificially ventilated rats .
 GENE: fatty acid cyclo - oxygenase
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: fatty acid cyclo - oxygenase 
Answer:
 GENE: fatty acid cyclo - oxygenase