1776
PURPOSE : This paper reviews the effect of chronic lithium therapy on serum calcium level and parathyroid glands , its pathogenesis , and treatment options .
 Chemical: lithium; 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: lithium; Chemical: calcium