9856
Radioreceptor binding assays showed a significant increase in alpha - amino - 3 - hydroxy - 5 - methyl - 4 - isoxazole propionate and N - methyl - D - aspartate receptors density which was confirmed by immunohistochemical studies .
 Chemical: alpha - amino - 3 - hydroxy - 5 - methyl - 4 - isoxazole propionate; Chemical: N - methyl - D - aspartate
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: alpha - amino - 3 - hydroxy - 5 - methyl - 4 - isoxazole propionate; Chemical: N - methyl - D - aspartate