21538
Obese adolescents ( n = 26 , 10 girls and 16 boys ) aged 12 . 4 +/- 2 . 1 years were assigned to a 12 - week regimen of n - 3 PUFA intake .
 Chemical: n - 3 PUFA
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: n - 3 PUFA