25294
The method detection limits determined in this study using LC / MS / MS were 0 . 25 and 0 . 50 ng mL ( - 1 ) for serum and urine , respectively .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None