7674
Zoledronic acid - induced severe hypocalcaemia in a prostate cancer patient with extensive osteoblastic bone metastases .
 severe hypocalcaemia, Zoledronic acid
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:
 severe hypocalcaemia, Zoledronic acid