21950
A clear influence of pH on the absorption was seen and a significant higher absolute bioavailability was obtained after buccal dosing ( 58 - 107 % ) compared to oral ( 3 % ) administration , ranging 58 - 107 % and 3 % , respectively .
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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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