8027
The authors report a longitudinal case study of a woman with a history of bipolar affective disorder in which L - dopa shortened the manic - depressive cycle length when administered in a double - blind trial .
 shortened the manic - depressive cycle, L - dopa
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:
 shortened the manic - depressive cycle, L - dopa