14620
CONCLUSIONS : We report this case of the concomitant appearance of multiple skin cancers and nail changes associated with hydroxyurea use .
 multiple skin cancers, hydroxyurea; nail changes, hydroxyurea
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:
 multiple skin cancers, hydroxyurea; nail changes, hydroxyurea