2019
We describe the development of cutaneous scleroderma in 3 patients coincident with the use of bleomycin in low cumulative doses of less than 100 U .
 cutaneous scleroderma, bleomycin
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:
 cutaneous scleroderma, bleomycin