6021
INTRODUCTION - The aim of this case report is to present a 15-year follow - up of a patient with phenytoin ( PHT ) intoxication with unilateral gingival hyperplasia ( GH ) .
 adverse effect: unilateral gingival hyperplasia, phenytoin; adverse effect: unilateral gingival hyperplasia, PHT
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: unilateral gingival hyperplasia, phenytoin; adverse effect: unilateral gingival hyperplasia, PHT