792
The temporal association of the course of tolterodine with an elevated INR, the return to the previous warfarin dose-INR response relationship after tolterodine discontinuation, and the absence of other causes for the elevated INR were factors found in both patients.
 adverse event: course 
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: course 