1303
To better understand the activity of cediranib against VEGFR - 3 and its associated signaling events compared with its activity against VEGFR - 2 , we used the receptor - specific ligands VEGF - E and VEGF - C156S .
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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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