26066
Contents of AA - GSH , GA , AAMA , and GAMA were measured in the cell culture medium after solid phase extraction ( SPE ) .
 AA - GSH, AAMA, GAMA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 AA - GSH, AAMA, GAMA