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Nephrogenic systemic fibrosis ( NSF ) is a scleroderma - like disease associated with prior administration of certain gadolinium chelates ( GCs ) .
 Chemical: gadolinium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: gadolinium