5168
Gamma - aminobutyric - acid - receptors and glutamtergic N - Methyl - D - aspartic - acid - receptors are most likely to be involved in this complex interplay , which may reflect a disturbed signal - to - noise ratio in schizophrenia patients .
 Chemical: Gamma - aminobutyric - acid; Chemical: N - Methyl - D - aspartic - acid
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: Gamma - aminobutyric - acid; Chemical: N - Methyl - D - aspartic - acid