13505
Moreover , Ca and Pi in the serum and urine , alkaline phosphatase in the bone tissue and Pb in the blood and femur were determined .
 Chemical: Ca; 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: Ca; Chemical: Pb