13502
BACKGROUND : Interferon ( IFN ) - associated retinopathy is typically characterized by retinal hemorrhages and cotton wool spots at the posterior fundus , but visual function is usually maintained .
 cotton wool spots, IFN; cotton wool spots, Interferon; retinal hemorrhages, IFN; retinal hemorrhages, Interferon; retinopathy, IFN; retinopathy, Interferon
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:
 cotton wool spots, IFN; cotton wool spots, Interferon; retinal hemorrhages, IFN; retinal hemorrhages, Interferon; retinopathy, IFN; retinopathy, Interferon