12555
On the other hand , Romulus - containing powders showed more favorable characteristics for pulmonary delivery , with a high percentage of dry powder particles in the pulmonary deposition fraction ( 1 - 5 mu m particle diameter ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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