11572
Symptoms and signs of augmentation were related to low plasma levodopa levels , abating 75 minutes after oral levodopa administration and reappearing after 3 hours , closely mirroring the rapid rise and fall of plasma levodopa concentration .
 augmentation, levodopa; augmentation, levodopa
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:
 augmentation, levodopa; augmentation, levodopa