12692
The selenium concentrations in plasma in women with preeclampsia were significantly lower as compared with those in women with normal pregnancy ( 70 . 63 +/- 21 . 41 versus 82 . 03 +/- 15 . 54 mu g / L , p < 0 . 05 ) .
 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