Text ( visual ) : unmediated Medical and surgical problems of the esophagus / edited by S. Stipa, R.H.R. Belsey, A. Moraldi. -- London : Academic Press , 1981. -- xv,407p : ill ; 24cm. -- (Proceedings of the Serono Symposia ; v. 43). -- Conference proceedings ; Includes bibliographies. -- ISBN 0126714509 ; (BA65130231) ; https://ci.nii.ac.jp/ncid/BA65130231 Author Heading(s): Stipa, Sergio ; Belsey, R. H. R. ; Moraldi, Luigi. -- Classification(s): LCC : RC815.7 ; DC19 : 616.3/2. -- Subject Heading(s): PRECIS : Man. Oesophagus. Diseases - Conference proceedings ; LCSH : Esophagus -- Diseases -- Congresses