1793
Cardiac Angiography in Renally Impaired Patients ( CARE ) study : a randomized double - blind trial of contrast - induced nephropathy in patients with chronic kidney disease .
 nephropathy, chronic kidney disease
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 nephropathy, chronic kidney disease