29548
The study demonstrated the effectiveness of metoprolol and diltiazem in the prevention of ziprasidone - induced elongation in the QTc interval .
 Chemical: metoprolol; Chemical: diltiazem; Chemical: ziprasidone
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: metoprolol; Chemical: diltiazem; Chemical: ziprasidone