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 ,  46-year-old woman: Subject, 46-year-old: Subject.Age, woman: Subject.Gender, painful ulcers over her lower abdomen in the form of reticulate erythema: Effect, injecting interferon beta-1b subcutaneously: Treatment, interferon beta-1b: Treatment.Drug, injecting: Treatment.Route, multiple sclerosis: Treatment.Disorder) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: developed ,  46-year-old woman: Subject, 46-year-old: Subject.Age, woman: Subject.Gender, painful ulcers over her lower abdomen in the form of reticulate erythema: Effect, injecting interferon beta-1b subcutaneously: Treatment, interferon beta-1b: Treatment.Drug, injecting: Treatment.Route, multiple sclerosis: Treatment.Disorder) 