1726
Similar to reports in patients receiving gefitinib , those with pathologic findings of UIP on resected lung specimens or known pulmonary fibrosis may be at particular risk for erlotinib pulmonary toxicity .
 pulmonary fibrosis, erlotinib; pulmonary toxicity, erlotinib
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:
 pulmonary fibrosis, erlotinib; pulmonary toxicity, erlotinib