20186
In these models , maximal reversal of pain - related behaviors corresponded with maximum rates - of - increase in brain and plasma D - serine concentrations , indicative of full inhibition of DAAO activity .
 Chemical: D - serine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: D - serine