23505
In vivo MPG extract effects were analyzed in chronic hypoxic PAH , obtained by housing male Wistar rats , orally treated or not with MPG extract ( 400mg / kg / d ) , in a hypobaric chamber for 21 days .
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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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