13629
Haemolytic - uraemic syndrome complicating long - term mitomycin C and 5-fluorouracil therapy for gastric carcinoma .
 Haemolytic - uraemic syndrome, 5-fluorouracil; Haemolytic - uraemic syndrome, mitomycin C
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:
 Haemolytic - uraemic syndrome, 5-fluorouracil; Haemolytic - uraemic syndrome, mitomycin C