1794
Bone formation induced in an infant by systemic prostaglandin-E2 administration.
 ( potential therapeutic event: induced ,  an infant: Subject, infant: Subject.Age, Bone formation: Effect, systemic prostaglandin-E2 administration: Treatment, prostaglandin-E2: Treatment.Drug, systemic: Treatment.Route, administration: Treatment.Route) 
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:
 ( potential therapeutic event: induced ,  an infant: Subject, infant: Subject.Age, Bone formation: Effect, systemic prostaglandin-E2 administration: Treatment, prostaglandin-E2: Treatment.Drug, systemic: Treatment.Route, administration: Treatment.Route) 