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Secondary pinprick hyperalgesia was observed as a marked increase in the visual analogue scale ( VAS ) response to von Frey gauges 60 and 100 g ( P < 0 . 001 ) after glutamate injection .
 Disease: hyperalgesia; Chemical: glutamate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: hyperalgesia; Chemical: glutamate