2508
These include not only antioxidants , N - methyl - D - aspartate receptor antagonists , inhibitors of glutamate release , calcium channel blockers , polyamine antagonists , and nitric oxide synthase inhibitors , but cannabinoids , aspirin , melatonin , and vitamin B - 12 .
 GENE: N - methyl - D - aspartate receptor; GENE: nitric oxide synthase
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: N - methyl - D - aspartate receptor; GENE: nitric oxide synthase