Fromm, S., & Cash, J. M. (1990). Superior mesenteric artery syndrome: An approach to the diagnosis and management of upper gastrointestinal obstruction of unclear etiology. South Dakota Journal of Medicine, 43(11), 5. 

            Notes: Case report of a 23-year-old man diagnosed with SMAS. Conservative treatment was successful. Includes descriptions of other types of intestinal obstruction and description of pseudo-obstruction. Link: http://www.publicpriorart.org/xml/20/1/1/2286/36708/20.1.1.2286.36708.xml