5159
The latter provides new evidence of B12 and folate pathways deficiency , indicative of new mechanistic implications possibly by direct inhibition of B12 dependent enzymes by the chlorinated radicals of CCl ( 4 ) metabolism .
 B12, folate, B12, CCl ( 4 )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 B12, folate, B12, CCl ( 4 )