399
CONCLUSIONS: Low dosages of quinacrine used for malaria prophylaxis can be associated with a delayed, severe maculopathy indistinguishable from chloroquine maculopathy in certain patients.
 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 