1044
46-year-old woman developed painful ulcers over her lower abdomen in the form of reticulate erythema after injecting interferon beta-1b subcutaneously for multiple sclerosis.
 adverse event: developed 
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: developed 