14550
Bone marrow aplasia and severe skin rash after a single low dose of methotrexate .
 Bone marrow aplasia, methotrexate; severe skin rash, methotrexate
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:
 Bone marrow aplasia, methotrexate; severe skin rash, methotrexate