3907
The study of the intensity of pain evoked by heat is relatively exhaustive : the influence of various local , stimulus - dependent or general factors upon threshold values has been well studied , as has the relation between pain and stimulus intensities .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None