3481
These data may indicate redundancy between members of the NGFI - B / Nurr1 / Nor1 subfamily and could explain why no phenotypic disturbances have yet been found in mice in which the NGFI - B gene has been inactivated .
 GENE: NGFI - B; GENE: Nurr1; GENE: Nor1; GENE: NGFI - B gene
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: NGFI - B; GENE: Nurr1; GENE: Nor1; GENE: NGFI - B gene