@conference{UBHD-1758445, title={May 9 - 15, 1987, Chicago, Ill}, year={1987}, language={eng}, number={ARRAY(0x55fdfc3c9d60)}, series={Digestive Disease Week and the ... annual meeting of the American Gastroenterological Association}, keywords={Gastroenterologie / Chicago <Ill., 1987> ; Gastrointestinale Krankheit / Chicago <Ill., 1987>}, library={UB [Signatur: ZSN 244 B::92,5,2]}, }