1692
These findings suggest that the corneal and retinal changes are the result of a toxic effect of tamoxifen when used in the doses and duration described .
 adverse effect: corneal and retinal changes, tamoxifen
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:  corneal and retinal changes, tamoxifen 
Answer:
 adverse effect: corneal and retinal changes, tamoxifen