@inbook{inbook61762794,
title   = {Dilatation: what are the results of dilatation?},
author = {Cecconello, Ivan and Pinotti, H W and Meniconi, M T and Felix, V N and Zilberstein, Bruno and Domene, C E},
year = {1991},
publisher = {John Libbey Eurotext},
journal   = {Primary Motility Disorders of the Esophagus}
}