995
In conclusion , the fact that plasma CGRP concentration correlates with the timing and severity of a migraine headache suggests a direct relationship between CGRP and migraine .
 CGRP, migraine, headache, CGRP, migraine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 CGRP, migraine, headache, CGRP, migraine