12664
In this study , we report on three individual patients who received BTX - B and who subsequently developed parasympathetic dysfunction of the visual system after injections of BTX - B at remote sites .
 adverse effect: parasympathetic dysfunction of the visual system, BTX - B; adverse effect: parasympathetic dysfunction of the visual system, BTX - B
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  parasympathetic dysfunction of the visual system, BTX - B; parasympathetic dysfunction of the visual system, BTX - B 
Answer:
 adverse effect: parasympathetic dysfunction of the visual system, BTX - B; adverse effect: parasympathetic dysfunction of the visual system, BTX - B