29480
Although large amounts of calcium salts should probably be avoided , modest doses ( < 1 g of elemental calcium ) may represent a reasonable initial approach to reduced serum phosphorus levels .
 Chemical: calcium; 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: calcium; Chemical: calcium