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In the seven men who completed six months on thalidomide , subclinical evidence of peripheral neuropathy was found in four before treatment , but in all seven at repeat testing .
 Chemical: thalidomide; Disease: peripheral neuropathy
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:
 Chemical: thalidomide; Disease: peripheral neuropathy