11401
These are the first reported patients to show mfERG abnormalities that correspond to bitemporal visual field defects and add to the growing evidence that ethambutol damages the retina .
 adverse effect: bitemporal visual field defects, ethambutol; adverse effect: mfERG abnormalities, ethambutol
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: bitemporal visual field defects, ethambutol; adverse effect: mfERG abnormalities, ethambutol