8106
As a result , the subendocardial / subepicardial blood flow ratio ( ENDO / EPI ) increased from 0 . 44 + / - 0 . 09 during control stenosis to 0 . 85 + / - 0 . 13 after ITF 1129 ( 10 micrograms / kg / min i . v . ) and to 0 . 81 + / - 0 . 12 after NTG .
 None
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:  
Answer:
 None