1. Hernia Diaphragmatica Hiatus Oesophagei vom Anatomischen und Rontgenologischen gesichtspunkt, Acta radiol;AKERLUND, A.;(Stockh.),1926
2. Reflux Esophagitis, Sliding Hiatal Hernia and the Anatomy of Repair, Surg;ALLISON, P.R.;Gynec. Obstet,1951
3. Visceroptosis during Artificial Pneumoperitoneum Treatment;BANYAI, A.L.;Radiology,1939
4. BARRETT, N. R. (1954): Hiatus Hernia, Brit. J. Surg., 42, 231.
5. A Study of Hiatal Hernia Using Pneumoperitoneum, U. S;BERRY, W.C.; HOLBROOK, J.P.; LANGDON, E.A.; M.A.T.T.H.E.W.S.O.N.;Armed Forces Med. J,1955