14277
CONCLUSIONS : The pathogenesis of methotrexate - induced papular eruption in collagen vascular diseases may suggest cutaneous small - vessel vasculitis .
 papular eruption, 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:
 papular eruption, methotrexate