2753
The case of a patient under tibolone therapy for two years who developed a mixed-type liver injury with prolonged cholestasis and features of the vanishing bile duct syndrome following a ten weeks treatment with St. John wort (Hypericum Perforatum) infusions is reported.
 ( adverse event: developed ,  a patient under tibolone therapy: Subject, a mixed-type liver injury with prolonged cholestasis and features of the vanishing bile duct syndrome: Effect, under tibolone therapy: Treatment, a ten weeks treatment with St. John wort (Hypericum Perforatum) infusions: Treatment, Hypericum Perforatum: Treatment.Drug, tibolone: Treatment.Drug, infusions: Treatment.Route, ten weeks: Treatment.Duration, tibolone: Combination.Drug, Hypericum Perforatum: Combination.Drug) 
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 ,  a patient under tibolone therapy: Subject, a mixed-type liver injury with prolonged cholestasis and features of the vanishing bile duct syndrome: Effect, under tibolone therapy: Treatment, a ten weeks treatment with St. John wort (Hypericum Perforatum) infusions: Treatment, Hypericum Perforatum: Treatment.Drug, tibolone: Treatment.Drug, infusions: Treatment.Route, ten weeks: Treatment.Duration, tibolone: Combination.Drug, Hypericum Perforatum: Combination.Drug) 