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After the addition of citalopram , a desmethylclomipramine plasma level increase and an 8-hydroacy - desmethylclomipramine plasma level decrease were observed .
 8-hydroacy - desmethylclomipramine plasma level decrease, citalopram; desmethylclomipramine plasma level increase, citalopram
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:
 8-hydroacy - desmethylclomipramine plasma level decrease, citalopram; desmethylclomipramine plasma level increase, citalopram