7331
Recognizing early signs of HMSN , such as areflexia and pes cavus deformity , can prevent severe neurotoxicity of polychemotherapy by avoiding vincristine .
 severe neurotoxicity, vincristine
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 neurotoxicity, vincristine