607
However, a large case-control study included three cases of either Stevens-Johnson syndrome or toxic epidermal necrolysis associated with ofloxacin use, but no details of the cases were given.
 adverse event: associated 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: associated 