23508
In vivo , chronic MPG treatment reduced hypoxic PAH in rat by decreasing by 22 . 3 % the pulmonary arterial pressure and by 20 . 0 % and 23 . 9 % the pulmonary artery and cardiac remodelling , 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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