1606
These findings provide the first evidence that the AT2 receptor mediates a stimulation of in vivo angiogenesis and indicate that ANG II is a humoral regulator of peripheral angiogenesis involving two receptor subtypes with opposing actions .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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