19924
It was found that the high dose of MA induced rat pulmonary toxicity : crowded lung parenchyma , thickened septum , reduced number of alveolar sacs , inflammatory cell infiltration , and pulmonary arteriolar remodeling .
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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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