5064
RESULTS : Replacing valproate with lamotrigine resulted in a decrease in serum testosterone concentrations in all 3 women .
 serum testosterone, valproate
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:
 serum testosterone, valproate