8644
Similarly when Ro48-6791 was compared to midazolam , it had similar efficacy , higher potency and a shorter recovery time , but produced less of a synergistic effect on opioid-induced analgesia and produced more severe side effects such as dizziness after the procedure .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None