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Fabrication of 3 - dimensional cellular constructs via microstereolithography using a simple , three - component , poly ( ethylene glycol ) acrylate - based system .
 Chemical: poly ( ethylene glycol ) acrylate
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: poly ( ethylene glycol ) acrylate