@inbook{inbook6f89955a,
title   = {Should failure of balloon dilatation foretell a poor result from surgery?},
author = {Pinotti, Henrique Walter and Sallum, R. A. A. and Zilberstein, Bruno and Cecconello, Ivan and Rocha, J. R. M and Felix, V N},
year = {1991},
publisher = {John Libbey Eurotext},
journal   = {Primary Motility Disorders of the Esophagus}
}