2671
Prostaglandin E2 showed a hyperalgesic effect at doses of 1 pg to 10 ng / mouse , but the effect lasted shorter ( 3 - 30 min ) than that of prostaglandin D2 .
 Chemical: Prostaglandin E2; Disease: hyperalgesic; Chemical: pg; Chemical: prostaglandin D2
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:
 Chemical: Prostaglandin E2; Disease: hyperalgesic; Chemical: pg; Chemical: prostaglandin D2