6320
The cases are important in documenting that drug - induced dystonias do occur in patients with dementia , that risperidone appears to have contributed to dystonia among elderly patients , and that the categorization of dystonic reactions needs further clarification .
 dystonia, risperidone
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:
 dystonia, risperidone