191
In this report , two cases of ET which evolved into AL without prior exposure to radiation or alkylating agents , and which were treated with long - term hydroxyurea therapy , are described .
 adverse effect: AL, hydroxyurea
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: AL, hydroxyurea