18626
Both verapamil and nimodipine showed protection against Pb - induced kidney injury , including alleviation of renal pathological damage and decreasing the level of Pb in kidney homogenate and extent of apoptosis in nephrocytes .
 Chemical: verapamil; Chemical: nimodipine; Chemical: Pb; Chemical: Pb
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: verapamil; Chemical: nimodipine; Chemical: Pb; Chemical: Pb