ABSTRACTS 312.855 Abstracts from the 1999 Scientific Session of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) San Antonio, Texas, USA, March 24-27, 1999. -New York : Springer-Veri. New York Inc., 1999. - [2], 93 s. ; 28 cm. - (Surgical Endoscopy : Ultrasound and Interventional Techniques, ISSN 0930-2794 ; vol. 13, suppl. 1) Indeks