21059
The aim of the present study was to examine the body burden of lead ( Pb ) , mercury ( Hg ) , and cadmium ( Cd ) in blood among Swedish adults and the association between blood levels , diet and other lifestyle factors .
 Chemical: Pb; Chemical: mercury; Chemical: Hg; Chemical: cadmium; Chemical: Cd
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: mercury; Chemical: Hg; Chemical: cadmium; Chemical: Cd