18620
Exposure to lead ( Pb ) can induce kidney damage , which is related to induction of oxidative damage and disturbance of intracellular calcium homeostasis .
 Chemical: Pb; Chemical: calcium
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: Pb; Chemical: calcium