10816
The present study aimed to determine whether the expression of two RF - amide peptides recently described to regulate gonadotrophin - releasing hormone neurone activity , kisspeptin ( Kp ) and RF - amide - related peptide ( RFRP ) - 3 , displays seasonal variation in jerboa .
 amide, amide
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 amide, amide