1. Intestinal obstruction;Wangensteen,1955
2. Anatomy and Surgery of Hernia;Zimmerman,1953
3. Hernia: Anatomy, Etiology, Symptoms, Diagnosis, Differential Diagnosis, Prognosis and Treatment;Watson,1948
4. Intestinal obstruction due to unusual hernia;Fredell;Arch. Surg.,1959
5. Duodenal hernia. A misnomer;Andrews;Surg. Gynec. & Obst.,1923