3635
The co - administration of SeMet and MeHg significantly ( p < 0 . 05 ) lowered blood concentrations of both Se and Hg and tissue Se concentrations .
 Chemical: SeMet; Chemical: MeHg; Chemical: Se; Chemical: Hg; Chemical: Se
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: SeMet; Chemical: MeHg; Chemical: Se; Chemical: Hg; Chemical: Se