Capraro, Hans-Georg; Bold, Guido; Faessler, Alexander; Cozens, Robert; Klimkait, Thomas; Lazdins, Janis; Mestan, Juergen; Poncioni, Bernard; Roesel, Johannes L.; Stover, David; Lang, Marc Archiv der Pharmazie, 1996, vol. 329, # 6 p. 273 - 278 doi: 10.1002/ardp.19963290602