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