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We suggest that the observed effects are dose - dependent and derive primarily from muscle atrophy and derive less from changes in acetylcholine receptor expression .
 Disease: muscle atrophy; Chemical: acetylcholine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: muscle atrophy; Chemical: acetylcholine