252
After 15 - 20 min of incubation , 7 . 5 microl 0 . 4 % gelatine ( Type B , G9391 , Sigma ) was added to give 30 microl printing solution .
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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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