2013
The ( 0 0 2 ) diffraction of the synthesized HAp crystals on a Col fiber showed an around 60 arching angle , while that on a ChS fiber showed just around 10 degrees .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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