1. Personal communication;Barrett, N.R.,1966
2. Oesophageal rupture in absence of vomiting;Conte, B.A.,1966
3. Traumatic perforations of the pharynx and oesophagus;Dawes, J.D.K.;J. Laryng,1964
4. Conservative management of oesophageal perforation;Mengoli, L.R.; Klassen, K.P.;Arch. Surg,1965
5. Quoted by Mengoli and Klassen;Shapiro, R.,1965