2721
MATERIALS AND METHODS : Our study included patients who were administered 30 - 60 mL of iodinated contrast agent for percutaneous coronary angiography ( PCAG ) , all with creatinine values between 1 . 1 and 3 . 1 mg / dL .
 Chemical: contrast; Chemical: creatinine
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: contrast; Chemical: creatinine