4332
PURPOSE : We studied a case of vortex keratopathy that was associated with the use of atovaquone .
 vortex keratopathy, atovaquone
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:
 vortex keratopathy, atovaquone