25378
Low bioavailability percentages for total selenium ( 6 . 69 +/- 3 . 39 and 5 . 45 +/- 2 . 44 % for fish and mollusk samples , respectively ) were obtained .
 Chemical: selenium
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: selenium