4737
Protective effects of erythropoietin on astrocytic swelling after oxygen - glucose deprivation and reoxygenation : mediation through AQP4 expression and MAPK pathway .
 Chemical: oxygen; Chemical: glucose
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: oxygen; Chemical: glucose