14343
Hydrogel based delivery of basic fibroblast growth factor ( bFGF ) and murine epidermal growth factor ( EGF ) was monitored utilizing enzyme - linked immunosorbent assay ( ELISA ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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