2720
The aim of this study is to investigate and compare the protective effects of isotonic sodium chloride with sodium bicarbonate infusion and isotonic sodium chloride infusion with diltiazem , a calcium channel blocker , in preventing CIN .
 Chemical: sodium chloride; Chemical: sodium bicarbonate; Chemical: sodium chloride; Chemical: diltiazem; Chemical: calcium
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: sodium chloride; Chemical: sodium bicarbonate; Chemical: sodium chloride; Chemical: diltiazem; Chemical: calcium