813
CONCLUSIONS : Nephropathy induced by contrast medium may be less likely to develop in high - risk patients when iodixanol is used rather than a low - osmolar , nonionic contrast medium .
 Disease: Nephropathy; Chemical: iodixanol
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: Nephropathy; Chemical: iodixanol