7644
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 .
 adverse effect: decrease in the D - dimers, arsenic trioxide; adverse effect: slight decrease in peripheral blood leukocytes, arsenic trioxide
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: decrease in the D - dimers, arsenic trioxide; adverse effect: slight decrease in peripheral blood leukocytes, arsenic trioxide