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Our previous in vitro studies in a rat model indicated that insulin - like growth factor - I ( IGF - I ) is a potent angiogenic agent for fetal lung endothelial cells .
 Anatomy: fetal lung endothelial cells
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: fetal lung endothelial cells