295,693 SCHRUMPF E. /redJ Abstracts of papers presented at the Sixteenth Scandinavian Conference on Gastroenterology and the Seventh Scandinavian Meeting on Gastrointestinal Endoscopy. Stavanger — Norway, 1-4 June 1983. Ed. by E. Schrurapf /et al// Oslo 1983 Universitetsforlaget 4 s. nlb. 2, XIII, nlb. 1, 95 Scandinavian Journal of Gastroenterology, suppl.