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A patient is described with the characteristic features of phenytoin hypersensitivity syndrome ( PHS ) including fever , erythroderma , tibial and facial oedema , pinhead - sized facial pustules and abnormal liver function tests .
 abnormal liver function tests, phenytoin; erythroderma, phenytoin; fever, phenytoin; phenytoin hypersensitivity syndrome, phenytoin; pinhead - sized facial pustules, phenytoin; tibial and facial oedema, phenytoin
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:
 abnormal liver function tests, phenytoin; erythroderma, phenytoin; fever, phenytoin; phenytoin hypersensitivity syndrome, phenytoin; pinhead - sized facial pustules, phenytoin; tibial and facial oedema, phenytoin