6928
METHODS : Rats received continuous intragastric infusion of elemental diet or with supplementation of oatbase , Lactobacillus reuteri R2LC , and Lactobacillus plantarum DSM 9843 , with and without fermentation , from the beginning of the study .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None