4209
Low - dose D ( 0 . 4 - 0 . 8 mg ) and DB ( 1 . 0 - 5 . 0 mg ) did not significantly alter any parameter from control .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None