705
To redress this deficit we investigated the effects these treatments and the prototypical selective serotonin reuptake inhibitor ( SSRI ) fluoxetine would have on hippocampal group III mGlu receptor mRNA levels in na i ve Sprague - Dawley rats and rats which had undergone early - life stress in the form of the maternal separation ( MS ) procedure .
 Chemical: serotonin; Chemical: fluoxetine
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: serotonin; Chemical: fluoxetine