6503
We believe the temporal association of the abnormal liver enzymes in this patient , in the absence of other offending agents , argues strongly in favor of 6-TG as a cause of liver enzyme abnormalities .
 abnormal liver enzymes, 6-TG; liver enzyme abnormalities, 6-TG
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 abnormal liver enzymes, 6-TG; liver enzyme abnormalities, 6-TG