2822
This study demonstrates that the exposure to sulphur mustard results in very low androgen levels and hypo - responsiveness to GnRH in the first five weeks and normalization by the twelfth week after injury .
 GENE: GnRH
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: GnRH