Boettger, S.; Knoepfel, S.; Schubert, M.; Garcia Nuñez, D.; Plichta, M. M.; Klaghofer, R.; Jenewein, J. Pipamperone and Delirium: A Preliminary Evaluation of Its Effectiveness in the Management of Delirium and Its Subtypes. Swiss Med Wkly 2017, 147, w14471.