521,737 DEMLING L. /red./ Endoscopy of the small intestine with retrograde pancreatooholangiography. International Workshop at Erlangen 1972. Ed. by 1. Demling and M. Classen. With Contributio by H. Anacker /i in./. Stuttgart 1973 Georg Thieme 8° s. XI, nlb. 1, 143, tabl. 1, ilustr.