6358
Risperidone is a frequently used member of a new class of atypical antipsychotics - the serotonin - dopamine antagonists ( SDAs ) - due to its comparatively high efficacy and low D2/5HT2 binding ratio , which results in a low incidence of extrapyramidal side effects including tardive dyskinesia ( TD ) .
 tardive dyskinesia, Risperidone; TD, 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:
 tardive dyskinesia, Risperidone; TD, Risperidone