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We therefore hypothesized that ANG II could be a mediator between homeostatic changes within the vascular perfusion bed and growth factor - driven angiogenesis .
 Anatomy: vascular perfusion bed
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: vascular perfusion bed