9163
During the first days of arsenic trioxide treatment a rapid decrease in the D - dimers was seen ( normal values reached until day 7 ) , together with a slight decrease in peripheral blood leukocytes .
 decrease in the D - dimers, arsenic trioxide; slight decrease in peripheral blood leukocytes, arsenic trioxide
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:
 decrease in the D - dimers, arsenic trioxide; slight decrease in peripheral blood leukocytes, arsenic trioxide