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The aim of the present study was to investigate the properties of VEGF expression in human gingival fibroblasts ( HGF ) culture .
 Anatomy: gingival fibroblasts; Anatomy: HGF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: gingival fibroblasts; Anatomy: HGF