fit & gesund # Prof. Dr. Herbert Koop, Spezialist für den Magen-Darm-Trakt # 19.08.2009To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoConstanze Tress12.08.200912. August 2009Prof. Dr. Herbert Koop, Spezialist für den Magen-Darm-Trakthttps://p.dw.com/p/J8ZfAnzeige